| Humana (Humana Inc.) | H5216 | Local PPO | Kansas City | 2,405,635 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H2001 | Local PPO | Boston | 2,248,274 |
| Aetna Medicare (CVS Health Corporation) | H5522 | Local PPO | Atlanta | 1,447,616 |
| Kaiser Permanente (Kaiser Foundation Health Plan, Inc.) | H0524 | HMO/HMOPOS | Dallas | 1,376,313 |
| Humana (Humana Inc.) | H7617 | Local PPO | Kansas City | 1,167,995 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H5253 | HMO/HMOPOS | Boston | 1,142,048 |
| Aetna Medicare (CVS Health Corporation) | H5521 | Local PPO | Atlanta | 1,025,332 |
| Humana (Humana Inc.) | H1036 | HMO/HMOPOS | Kansas City | 845,931 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H0609 | HMO/HMOPOS | Boston | 750,965 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H2406 | Local PPO | Boston | 563,199 |
| Blue Cross Blue Shield of Michigan (Blue Cross Blue Shield of Michigan Mutual Ins. Co.) | H9572 | Local PPO | Chicago | 556,569 |
| Humana (Humana Inc.) | H5619 | HMO/HMOPOS | Kansas City | 487,278 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H2802 | HMO/HMOPOS | Boston | 403,295 |
| SCAN Health Plan (SCAN Group) | H5425 | HMO/HMOPOS | Chicago | 399,049 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H1045 | HMO/HMOPOS | Boston | 392,567 |
| HealthSpring (Health Care Service Corporation) | H4513 | HMO/HMOPOS | New York | 382,507 |
| Humana (Humana Inc.) | H4461 | HMO/HMOPOS | Kansas City | 376,859 |
| Anthem Blue Cross and Blue Shield (Elevance Health, Inc.) | H4036 | Local PPO | Chicago | 366,009 |
| MCS Classicare (MHH Healthcare, L.P.) | H5577 | HMO/HMOPOS | Dallas | 356,729 |
| Healthfirst Medicare Plan (Healthfirst, Inc.) | H3359 | HMO/HMOPOS | Chicago | 354,290 |
| Humana (Humana Inc.) | H6622 | HMO/HMOPOS | Kansas City | 339,824 |
| Humana (Humana Inc.) | H0028 | HMO/HMOPOS | Kansas City | 332,419 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H8768 | Local PPO | Boston | 306,218 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H3805 | HMO/HMOPOS | Boston | 285,454 |
| Blue Cross and Blue Shield of Minnesota (Aware Integrated, Inc.) | H5959 | Local PPO | Chicago | 280,803 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H1889 | Local PPO | Boston | 266,772 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H0543 | HMO/HMOPOS | Boston | 252,686 |
| Highmark Blue Cross Blue Shield or Highmark Blue Shield (Highmark Health) | H3916 | Local PPO | Boston | 238,966 |
| Alignment Health Plan (Alignment Healthcare USA, LLC) | H3815 | HMO/HMOPOS | Chicago | 220,796 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H5322 | HMO/HMOPOS | Boston | 217,118 |
| Aetna Medicare (CVS Health Corporation) | H3959 | HMO/HMOPOS | Atlanta | 206,025 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H4527 | HMO/HMOPOS | Boston | 197,423 |
| Humana (Humana Inc.) | H1951 | HMO/HMOPOS | Kansas City | 194,127 |
| BlueCross BlueShield of Tennessee | H7917 | Local PPO | Chicago | 187,877 |
| Humana (Humana Inc.) | H5525 | Local PPO | Kansas City | 175,520 |
| CarePlus Health Plans, Inc. (Humana Inc.) | H1019 | HMO/HMOPOS | Kansas City | 171,575 |
| Excellus Health Plan, Inc (Lifetime Healthcare, Inc.) | H3351 | HMO/HMOPOS | Chicago | 169,770 |
| Priority Health Medicare (Corewell Health) | H2320 | HMO/HMOPOS | Seattle | 164,503 |
| Anthem HealthKeepers (Elevance Health, Inc.) | H3447 | HMO/HMOPOS | Chicago | 155,204 |
| Clover Health (Clover Health Holdings, Inc.) | H5141 | Local PPO | New York | 153,117 |
| Peoples Health (UnitedHealth Group, Inc.) | H1961 | HMO/HMOPOS | Boston | 152,893 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H3387 | HMO/HMOPOS | Boston | 152,646 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H4514 | HMO/HMOPOS | Boston | 148,556 |
| Anthem Blue Cross and Blue Shield (Elevance Health, Inc.) | H3655 | HMO/HMOPOS | Chicago | 146,067 |
| Kaiser Permanente (Kaiser Foundation Health Plan, Inc.) | H8794 | HMO/HMOPOS | Dallas | 143,186 |
| Blue Cross and Blue Shield of North Carolina (CuraCor Solutions Corp.) | H3449 | HMO/HMOPOS | Atlanta | 141,037 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H4604 | HMO/HMOPOS | Boston | 139,369 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H1278 | Local PPO | Boston | 137,055 |
| Humana (Humana Inc.) | H1468 | HMO/HMOPOS | Kansas City | 136,925 |
| Aetna Medicare (CVS Health Corporation) | H0628 | HMO/HMOPOS | Atlanta | 129,932 |
| Network Health Medicare Advantage Plans (Network Health, Inc.) | H5215 | Local PPO | Boston | 129,847 |
| UPMC for Life (UPMC Health System) | H3907 | HMO/HMOPOS | Dallas | 129,585 |
| Humana (Humana Inc.) | H4141 | HMO/HMOPOS | Kansas City | 124,430 |
| Aetna Medicare (CVS Health Corporation) | H1609 | HMO/HMOPOS | Atlanta | 120,605 |
| Triple S Advantage (Guidewell Mutual Holding Corporation) | H5774 | HMO/HMOPOS | Dallas | 118,503 |
| Aetna Medicare (CVS Health Corporation) | H1608 | Local PPO | Atlanta | 118,272 |
| Aetna Medicare (CVS Health Corporation) | H2293 | Local PPO | Atlanta | 115,631 |
| Kaiser Permanente (Kaiser Foundation Health Plan, Inc.) | H2172 | HMO/HMOPOS | Dallas | 115,560 |
| Aetna Medicare (CVS Health Corporation) | H2663 | HMO/HMOPOS | Atlanta | 114,360 |
| Blue Cross and Blue Shield of Alabama (BlueCross BlueShield of Alabama) | H0104 | Local PPO | New York | 113,779 |
| Kaiser Permanente (Kaiser Foundation Health Plan, Inc.) | H0630 | HMO/HMOPOS | Dallas | 113,528 |
| Medica (Medica Holding Company) | H8889 | Local PPO | Dallas | 112,248 |
| Priority Health Medicare (Corewell Health) | H4875 | Local PPO | Seattle | 112,095 |
| Kaiser Permanente (Kaiser Foundation Health Plan, Inc.) | H9003 | HMO/HMOPOS | Dallas | 109,660 |
| Anthem Blue Cross (Elevance Health, Inc.) | H4471 | HMO/HMOPOS | Chicago | 104,863 |
| Aetna Medicare (CVS Health Corporation) | H3312 | HMO/HMOPOS | Atlanta | 103,808 |
| Medicare y Mucho Mas (MMM) (Elevance Health, Inc.) | H4004 | HMO/HMOPOS | Chicago | 102,624 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H0169 | HMO/HMOPOS | Boston | 102,036 |
| Blue Cross and Blue Shield of Montana (Health Care Service Corporation) | H0107 | Local PPO | Denver | 101,119 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H3379 | HMO/HMOPOS | Boston | 100,833 |
| Tufts Health Plan (Point32Health, Inc.) | H2256 | HMO/HMOPOS | Boston | 100,687 |
| Kaiser Permanente (Kaiser Foundation Health Plan, Inc.) | H5050 | HMO/HMOPOS | Dallas | 99,092 |
| Aetna Medicare (CVS Health Corporation) | H7301 | Local PPO | Atlanta | 97,761 |
| Medicare y Mucho Mas (MMM) (Elevance Health, Inc.) | H4003 | HMO/HMOPOS | Chicago | 96,244 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H0755 | HMO/HMOPOS | Boston | 93,668 |
| Anthem Blue Cross and Blue Shield (Elevance Health, Inc.) | H9525 | HMO/HMOPOS | Chicago | 93,167 |
| Freedom Health, Inc. (Elevance Health, Inc.) | H5427 | HMO/HMOPOS | Chicago | 92,037 |
| Independence Blue Cross (Independence Health Group, Inc.) | H3952 | HMO/HMOPOS | Chicago | 91,276 |
| Humana (Humana Inc.) | H5970 | Local PPO | Kansas City | 88,806 |
| Health Alliance Plan by Henry Ford Health (Henry Ford Health System) | H2354 | HMO/HMOPOS | Chicago | 87,431 |
| Excellus Health Plan, Inc (Lifetime Healthcare, Inc.) | H3335 | Local PPO | Chicago | 86,142 |
| Highmark Blue Cross Blue Shield or Highmark Blue Shield (Highmark Health) | H3957 | HMO/HMOPOS | Boston | 81,836 |
| Optimum HealthCare, Inc. (Elevance Health, Inc.) | H5594 | HMO/HMOPOS | Chicago | 80,490 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H3113 | HMO/HMOPOS | Boston | 80,289 |
| Security Health Plan of Wisconsin, Inc. (Sanford Health) | H5211 | HMO/HMOPOS | Dallas | 79,372 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H0251 | HMO/HMOPOS | Boston | 77,244 |
| HealthSpring (Health Care Service Corporation) | H0354 | HMO/HMOPOS | New York | 75,201 |
| Blue Cross & Blue Shield of Rhode Island | H4152 | HMO/HMOPOS | Boston | 73,702 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H2509 | HMO/HMOPOS | Boston | 72,626 |
| Geisinger Gold (Risant Health, Inc.) | H3954 | HMO/HMOPOS | Dallas | 72,065 |
| Aetna Medicare (CVS Health Corporation) | H3931 | HMO/HMOPOS | Atlanta | 71,661 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H0321 | HMO/HMOPOS | Boston | 70,442 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H0294 | Local PPO | Boston | 69,933 |
| CDPHP Medicare Advantage (Lifetime Healthcare, Inc.) | H3388 | HMO/HMOPOS | Chicago | 69,327 |
| Wellcare (Centene Corporation) | H5599 | HMO/HMOPOS | Denver | 69,023 |
| HealthSun Health Plans, Inc. (Elevance Health, Inc.) | H5431 | HMO/HMOPOS | Chicago | 68,087 |
| Aetna Medicare (CVS Health Corporation) | H3288 | Local PPO | Atlanta | 67,539 |
| VNS Health Medicare (Visiting Nurse Service of New York) | H5549 | HMO/HMOPOS | New York | 67,361 |
| Select Health (Intermountain Health Care, Inc.) | H1994 | HMO/HMOPOS | Dallas | 66,554 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H5420 | HMO/HMOPOS | Boston | 65,565 |
| Providence Medicare Advantage Plans (Providence St Joseph Health) | H9047 | HMO/HMOPOS | Dallas | 64,398 |
| Martin's Point Generations Advantage (Martin's Point Health Care, Inc.) | H5591 | HMO/HMOPOS | Boston | 62,673 |
| Florida Blue (Guidewell Mutual Holding Corporation) | H5434 | Local PPO | Dallas | 62,044 |
| Blue Care Network (Blue Cross Blue Shield of Michigan Mutual Ins. Co.) | H5883 | HMO/HMOPOS | Chicago | 61,363 |
| Aetna Medicare (CVS Health Corporation) | H5793 | HMO/HMOPOS | Atlanta | 61,346 |
| Medical Mutual of Ohio (MEDICAL MUTUAL OF OHIO) | H6723 | HMO/HMOPOS | Chicago | 60,930 |
| Wellcare (Centene Corporation) | H2775 | Local PPO | Denver | 60,651 |
| MediGold (Trinity Health Corporation) | H3668 | HMO/HMOPOS | Chicago | 58,745 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H5008 | HMO/HMOPOS | Boston | 58,534 |
| UPMC for Life (UPMC Health System) | H5533 | Local PPO | Dallas | 58,201 |
| Wellcare (Centene Corporation) | H1416 | HMO/HMOPOS | Denver | 57,504 |
| Aetna Medicare (CVS Health Corporation) | H3146 | HMO/HMOPOS | Atlanta | 56,883 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H3256 | Local PPO | Boston | 56,259 |
| Allina Health Aetna Medicare (Allina Health and Aetna Insurance Holding Company) | H3219 | Local PPO | Atlanta | 56,188 |
| Blue Shield of California (California Physicians' Service) | H0504 | HMO/HMOPOS | Dallas | 55,622 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H0432 | HMO/HMOPOS | Boston | 55,509 |
| Wellpoint (Elevance Health, Inc.) | H8849 | HMO/HMOPOS | Chicago | 55,070 |
| Wellcare (Centene Corporation) | H0174 | HMO/HMOPOS | Denver | 54,912 |
| Presbyterian Health Plan (Presbyterian Healthcare Services) | H3204 | HMO/HMOPOS | Dallas | 53,755 |
| Aetna Medicare (CVS Health Corporation) | H3239 | HMO/HMOPOS | Atlanta | 53,406 |
| Devoted Health (Devoted Health, Inc.) | H2697 | HMO/HMOPOS | New York | 53,273 |
| KelseyCare Advantage (UnitedHealth Group, Inc.) | H0332 | HMO/HMOPOS | Boston | 53,022 |
| PacificSource Medicare (PacificSource) | H3864 | HMO/HMOPOS | Seattle | 52,821 |
| VIVA Medicare (Triton Health Systems, L.L.C.) | H0154 | HMO/HMOPOS | Atlanta | 52,128 |
| Imperial Health Plan of California, Inc. (Imperial Health Plan of California) | H5496 | HMO/HMOPOS | Boston | 52,035 |
| Anthem Blue Cross Partnership Plan (Elevance Health, Inc.) | H4161 | HMO/HMOPOS | Chicago | 52,014 |
| Devoted Health (Devoted Health, Inc.) | H7993 | HMO/HMOPOS | New York | 51,782 |
| Regence BlueCross BlueShield of Oregon (Cambia Health Solutions, Inc.) | H3817 | Local PPO | Dallas | 51,411 |
| Wellcare (Centene Corporation) | H1032 | HMO/HMOPOS | Denver | 50,837 |
| Essence Healthcare (Lumeris Group Holdings Corporation) | H2610 | HMO/HMOPOS | Dallas | 50,392 |
| Devoted Health (Devoted Health, Inc.) | H1290 | HMO/HMOPOS | New York | 50,384 |
| Clever Care Health Plan (Clever Care Health Plan, Inc.) | H7607 | HMO/HMOPOS | Chicago | 50,156 |
| Braven Health (Horizon Mutual Holdings, Inc) | H0885 | Local PPO | Dallas | 50,136 |
| Anthem Blue Cross (Elevance Health, Inc.) | H0544 | HMO/HMOPOS | Chicago | 49,674 |
| Astiva Health (Astiva Health Holdings Incorporated) | H1993 | HMO/HMOPOS | Boston | 49,525 |
| Humana (Humana Inc.) | H4939 | HMO/HMOPOS | Kansas City | 49,133 |
| Blue Cross Blue Shield of South Carolina (BlueCross BlueShield of South Carolina (BCBSSC)) | H8003 | Local PPO | Chicago | 48,567 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H2385 | Local PPO | Boston | 48,496 |
| HealthPartners (HealthPartners, Inc.) | H4882 | Local PPO | Chicago | 48,329 |
| ConnectiCare (Molina Healthcare, Inc.) | H3528 | HMO/HMOPOS | New York | 47,730 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H3418 | Local PPO | Boston | 47,402 |
| Florida Blue HMO (Guidewell Mutual Holding Corporation) | H1035 | HMO/HMOPOS | Dallas | 47,147 |
| Wellcare (Centene Corporation) | H3561 | HMO/HMOPOS | Denver | 46,980 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H3794 | HMO/HMOPOS | Boston | 46,875 |
| CareFirst BlueCross BlueShield Medicare Advantage (CareFirst, Inc.) | H7379 | Local PPO | Chicago | 46,358 |
| Blue Shield of California (California Physicians' Service) | H4937 | Local PPO | Dallas | 45,627 |
| Blue Cross Blue Shield of Massachusetts (Blue Cross and Blue Shield of Massachusetts, Inc.) | H2230 | Local PPO | Boston | 45,113 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H0710 | Local PPO | Boston | 45,025 |
| Anthem Blue Cross and Blue Shield HP (Elevance Health, Inc.) | H8432 | HMO/HMOPOS | Chicago | 43,986 |
| Wellmark Advantage Health Plan (Blue Cross Blue Shield of Michigan Mutual Ins. Co.) | H5900 | Local PPO | Chicago | 43,913 |
| Aetna Medicare (CVS Health Corporation) | H5302 | HMO/HMOPOS | Atlanta | 43,538 |
| Devoted Health (Devoted Health, Inc.) | H5453 | Local PPO | Boston | 43,513 |
| Anthem Blue Cross and Blue Shield (Elevance Health, Inc.) | H2628 | HMO/HMOPOS | Chicago | 42,916 |
| Capital Blue Cross (CAPITAL BLUE CROSS) | H3923 | Local PPO | Chicago | 42,496 |
| Kaiser Permanente (Kaiser Foundation Health Plan, Inc.) | H1170 | HMO/HMOPOS | Dallas | 42,007 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H2445 | HMO/HMOPOS | Boston | 41,738 |
| Blue Cross Blue Shield of Massachusetts (Blue Cross and Blue Shield of Massachusetts, Inc.) | H2261 | HMO/HMOPOS | Boston | 41,707 |
| Wellcare (Centene Corporation) | H4868 | HMO/HMOPOS | Denver | 41,683 |
| Independent Health (Independent Health Association, Inc.) | H3362 | HMO/HMOPOS | Dallas | 41,487 |
| Highmark Wholecare Medicare Assured (Highmark Health) | H5932 | HMO/HMOPOS | Boston | 41,378 |
| Leon Health, Inc. (LMC Family Holdings, LLC) | H4286 | HMO/HMOPOS | Atlanta | 40,309 |
| Health Alliance Plan by Henry Ford Health (Henry Ford Health System) | H2322 | Local PPO | Chicago | 40,072 |
| Blue Cross Blue Shield of Arizona (AZ Blue) (Blue Cross Blue Shield of Arizona) | H0302 | HMO/HMOPOS | Chicago | 40,007 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H2247 | HMO/HMOPOS | Boston | 39,446 |
| UnitedHealthcare Community Plan (UnitedHealth Group, Inc.) | H1285 | HMO/HMOPOS | Boston | 39,106 |
| IEHP DualChoice (INLAND EMPIRE HEALTH PLAN) | H8894 | HMO/HMOPOS | New York | 38,439 |
| Baylor Scott & White Health Plan (Baylor Scott & White Health) | H8142 | HMO/HMOPOS | Denver | 38,436 |
| CommunityCare Senior Health Plan (HMO) (St Francis Health System & St John Health System) | H3755 | HMO/HMOPOS | Dallas | 37,953 |
| HMSA Akamai Advantage (Hawaii Medical Service Association) | H3832 | Local PPO | Boston | 37,817 |
| Aetna Medicare (CVS Health Corporation) | H4523 | HMO/HMOPOS | Atlanta | 37,531 |
| UPMC for Life Complete Care (UPMC Health System) | H4279 | HMO/HMOPOS | Dallas | 37,457 |
| HealthSpring (Health Care Service Corporation) | H3949 | HMO/HMOPOS | New York | 37,441 |
| Anthem HealthKeepers (Elevance Health, Inc.) | H4694 | HMO/HMOPOS | Chicago | 37,356 |
| Blue Cross and Blue Shield of North Carolina (CuraCor Solutions Corp.) | H3404 | Local PPO | Atlanta | 36,990 |
| Health First Health Plans, Inc. (Health First Shared Services, Inc.) | H1099 | HMO/HMOPOS | Atlanta | 36,978 |
| Anthem Blue Cross and Blue Shield (Elevance Health, Inc.) | H5854 | HMO/HMOPOS | Chicago | 36,755 |
| Anthem Blue Cross and Blue Shield (Elevance Health, Inc.) | H0629 | HMO/HMOPOS | Chicago | 36,268 |
| Blue Cross and Blue Shield of Louisiana (Louisiana Health Service & Indemnity Company) | H6453 | HMO/HMOPOS | Dallas | 36,264 |
| Wellcare (Centene Corporation) | H9730 | HMO/HMOPOS | Denver | 36,253 |
| Zing Health (Zing Health Consolidator, Inc) | H4624 | HMO/HMOPOS | Chicago | 36,021 |
| Kaiser Permanente (Kaiser Foundation Health Plan, Inc.) | H1230 | HMO/HMOPOS | Dallas | 35,758 |
| EmblemHealth (EmblemHealth, Inc.) | H3330 | HMO/HMOPOS | New York | 35,523 |
| Central Health Medicare Plan (Molina Healthcare, Inc.) | H5649 | HMO/HMOPOS | New York | 35,257 |
| Simply Healthcare Plans, Inc. (Elevance Health, Inc.) | H5471 | HMO/HMOPOS | Chicago | 34,871 |
| SummaCare Medicare Advantage Plans (General Catalyst Group Management Holdings LP) | H3660 | HMO/HMOPOS | Chicago | 34,795 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H0624 | HMO/HMOPOS | Boston | 32,674 |
| Blue Cross of Idaho (Gemstone Holdings, Inc.) | H1350 | HMO/HMOPOS | Boston | 32,406 |
| MVP HEALTH CARE (MVP Health Care, Inc.) | H9615 | Local PPO | Boston | 32,070 |
| Wellcare (Centene Corporation) | H0029 | HMO/HMOPOS | Denver | 32,004 |
| HealthSpring (Health Care Service Corporation) | H9725 | HMO/HMOPOS | New York | 31,940 |
| CareSource MyCare Ohio (HMO D-SNP) (CareSource) | H6396 | HMO/HMOPOS | Boston | 31,582 |
| Alignment Health Plan (Alignment Healthcare USA, LLC) | H5296 | HMO/HMOPOS | Chicago | 31,253 |
| L.A. Care Health Plan (Local Initiative Health Authority for LA County) | H1224 | HMO/HMOPOS | Dallas | 30,796 |
| BlueCare Plus Tennessee (BlueCross BlueShield of Tennessee) | H3259 | HMO/HMOPOS | Chicago | 30,362 |
| HealthSpring (Health Care Service Corporation) | H0439 | HMO/HMOPOS | New York | 30,323 |
| Aetna Medicare (CVS Health Corporation) | H3152 | HMO/HMOPOS | Atlanta | 30,089 |
| Molina Healthcare of California (Molina Healthcare, Inc.) | H3038 | HMO/HMOPOS | New York | 29,863 |
| Wellcare (Centene Corporation) | H4506 | HMO/HMOPOS | Denver | 29,534 |
| HealthSpring (Health Care Service Corporation) | H7849 | Local PPO | New York | 29,238 |
| Humana (Humana Inc.) | H3533 | HMO/HMOPOS | Kansas City | 28,961 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H6595 | HMO/HMOPOS | Boston | 28,812 |
| Aetna Medicare (CVS Health Corporation) | H3192 | HMO/HMOPOS | Atlanta | 27,799 |
| Wellpoint (Elevance Health, Inc.) | H5828 | HMO/HMOPOS | Chicago | 27,710 |
| Blue Cross and Blue Shield of IL, NM, OK, TX (Health Care Service Corporation) | H8634 | Local PPO | Chicago | 27,555 |
| Devoted Health (Devoted Health, Inc.) | H7028 | Local PPO | New York | 27,522 |
| SCAN Health Plan (SCAN Group) | H0976 | HMO/HMOPOS | Chicago | 27,457 |
| MVP HEALTH CARE (MVP Health Care, Inc.) | H3305 | HMO/HMOPOS | Boston | 27,255 |
| Wellcare (Centene Corporation) | H1112 | HMO/HMOPOS | Denver | 27,133 |
| Horizon Blue Cross Blue Shield of New Jersey (Horizon Mutual Holdings, Inc) | H8298 | HMO/HMOPOS | Dallas | 27,127 |
| Humana (Humana Inc.) | H4329 | HMO/HMOPOS | Kansas City | 26,640 |
| Commonwealth Care Alliance, Inc. (CareSource) | H1486 | HMO/HMOPOS | Boston | 26,616 |
| Elderplan (Elderplan, Inc.) | H3347 | HMO/HMOPOS | New York | 26,603 |
| Wellcare (Centene Corporation) | H5590 | HMO/HMOPOS | Denver | 26,455 |
| Capital Health Plan (Guidewell Mutual Holding Corporation) | H5938 | HMO/HMOPOS | Dallas | 26,327 |
| Aetna Medicare FIDE (CVS Health Corporation) | H9771 | HMO/HMOPOS | Atlanta | 26,237 |
| Devoted Health (Devoted Health, Inc.) | H2041 | HMO/HMOPOS | Boston | 26,113 |
| Jefferson Health Plans (Thomas Jefferson University) | H9207 | HMO/HMOPOS | Chicago | 25,870 |
| Doctors HealthCare Plans, Inc. (DOCTORS HEALTHCARE PLANS, INC.) | H4140 | HMO/HMOPOS | Atlanta | 25,519 |
| HealthSpring (Health Care Service Corporation) | H0672 | HMO/HMOPOS | New York | 25,514 |
| Wellcare (Centene Corporation) | H0562 | HMO/HMOPOS | Denver | 24,647 |
| Humana (Humana Inc.) | H1396 | HMO/HMOPOS | Kansas City | 24,555 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H2226 | HMO/HMOPOS | Boston | 24,504 |
| Geisinger Gold (Risant Health, Inc.) | H3924 | Local PPO | Dallas | 24,369 |
| Prominence Health Plan (Universal Health Services, Inc.) | H7680 | HMO/HMOPOS | Boston | 24,061 |
| Wellcare (Centene Corporation) | H0351 | HMO/HMOPOS | Denver | 23,988 |
| Prominence Health Plan (Universal Health Services, Inc.) | H5945 | HMO/HMOPOS | Boston | 23,638 |
| VISTA Health Plan Inc. (Independence Health Group, Inc.) | H4227 | HMO/HMOPOS | Chicago | 22,772 |
| Highmark Blue Cross Blue Shield or Highmark Blue Shield (Highmark Health) | H3384 | HMO/HMOPOS | Boston | 22,721 |
| Independence Blue Cross (Independence Health Group, Inc.) | H3909 | Local PPO | Chicago | 22,536 |
| Humana (Humana Inc.) | H8908 | HMO/HMOPOS | Kansas City | 22,259 |
| Saint Alphonsus Health Plan (Trinity Health Corporation) | H6910 | HMO/HMOPOS | Chicago | 22,251 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H6824 | Local PPO | Boston | 22,229 |
| Kaiser Permanente (Kaiser Foundation Health Plan, Inc.) | H2960 | HMO/HMOPOS | Dallas | 22,085 |
| Solis Health Plans (Athena Healthcare Holdings, LLC) | H0982 | HMO/HMOPOS | Chicago | 21,953 |
| Aetna Medicare (CVS Health Corporation) | H3597 | HMO/HMOPOS | Atlanta | 21,885 |
| Blue Cross and Blue Shield of Louisiana (Louisiana Health Service & Indemnity Company) | H1248 | Local PPO | Dallas | 21,881 |
| Aetna Medicare (CVS Health Corporation) | H1692 | HMO/HMOPOS | Atlanta | 21,778 |
| Blue Cross and Blue Shield of Nebraska (Blue Cross Blue Shield of Nebraska) | H8181 | Local PPO | Chicago | 21,759 |
| Blue Cross and Blue Shield of IL, NM (Health Care Service Corporation) | H3822 | HMO/HMOPOS | Chicago | 21,506 |
| Wellcare (Centene Corporation) | H9630 | HMO/HMOPOS | Denver | 21,298 |
| BayCare Health Plans (BayCare Health System, Inc.) | H2235 | HMO/HMOPOS | Atlanta | 21,225 |
| Blue Medicare Advantage (Elevance Health, Inc.) | H6078 | Local PPO | Chicago | 21,190 |
| ATRIO Health Plans | H6743 | Local PPO | Dallas | 21,188 |
| Ultimate Health Plans (Ultimate Healthcare Holdings, LLC) | H2962 | HMO/HMOPOS | Chicago | 20,921 |
| Blue Cross and Blue Shield of New Mexico (Health Care Service Corporation) | H3251 | HMO/HMOPOS | Denver | 20,586 |
| Wellcare (Centene Corporation) | H5475 | HMO/HMOPOS | Denver | 20,141 |
| Devoted Health (Devoted Health, Inc.) | H9700 | Local PPO | Boston | 20,089 |
| Wellcare (Centene Corporation) | H5439 | Local PPO | Denver | 19,665 |
| Sharp Health Plan (Sharp Healthcare) | H5386 | HMO/HMOPOS | Boston | 19,572 |
| GlobalHealth (MHH Healthcare, L.P.) | H3706 | HMO/HMOPOS | Dallas | 19,352 |
| Devoted Health (Devoted Health, Inc.) | H7471 | Local PPO | Boston | 19,225 |
| Quartz Medicare Advantage (HMO) (University of Wisconsin Hospitals and Clincs Autho) | H5262 | HMO/HMOPOS | Chicago | 18,995 |
| HealthTeam Advantage (Risant Health, Inc.) | H9808 | Local PPO | Dallas | 18,976 |
| Aetna Medicare (CVS Health Corporation) | H5325 | HMO/HMOPOS | Atlanta | 18,871 |
| CalOptima Health OneCare (Orange County Health Authority) | H5433 | HMO/HMOPOS | Kansas City | 18,849 |
| Commonwealth Care Alliance Massachusetts (CareSource) | H2225 | HMO/HMOPOS | Boston | 18,762 |
| HealthSpring (Health Care Service Corporation) | H7787 | Local PPO | New York | 17,828 |
| Mass General Brigham Health Plan (Mass General Brigham Incorporated) | H9485 | Local PPO | Boston | 17,823 |
| Aetna Medicare HIDE (CVS Health Corporation) | H9314 | HMO/HMOPOS | Atlanta | 17,516 |
| Wellcare (Centene Corporation) | H5294 | HMO/HMOPOS | Denver | 17,183 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H8211 | Local PPO | Boston | 17,153 |
| Molina Healthcare of Utah & Idaho (Molina Healthcare, Inc.) | H5628 | HMO/HMOPOS | New York | 16,985 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H7464 | HMO/HMOPOS | Boston | 16,920 |
| Devoted Health (Devoted Health, Inc.) | H2923 | HMO/HMOPOS | New York | 16,437 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H1537 | Local PPO | Boston | 16,340 |
| Humana (Humana Inc.) | H0963 | HMO/HMOPOS | Kansas City | 16,316 |
| Humana (Humana Inc.) | H0473 | Local PPO | Kansas City | 16,295 |
| HealthSpring (Health Care Service Corporation) | H5410 | HMO/HMOPOS | New York | 16,030 |
| Highmark Blue Cross Blue Shield (Highmark Health) | H5106 | Local PPO | Boston | 15,915 |
| Blue Cross and Blue Shield of NM, TX (Health Care Service Corporation) | H1666 | Local PPO | Chicago | 15,914 |
| Molina Healthcare of Michigan (Molina Healthcare, Inc.) | H5926 | HMO/HMOPOS | New York | 15,595 |
| Devoted Health (Devoted Health, Inc.) | H9888 | Local PPO | New York | 15,557 |
| Tufts Health Plan (Point32Health, Inc.) | H8330 | HMO/HMOPOS | Boston | 15,506 |
| Devoted Health (Devoted Health, Inc.) | H5299 | HMO/HMOPOS | New York | 15,422 |
| HealthSpring (Health Care Service Corporation) | H7020 | HMO/HMOPOS | New York | 15,356 |
| Paramount Elite Medicare Plans (MEDICAL MUTUAL OF OHIO) | H3653 | HMO/HMOPOS | Chicago | 15,240 |
| Wellcare (Centene Corporation) | H6971 | HMO/HMOPOS | Dallas | 15,102 |
| AMH Health (Elevance Health, Inc.) | H9065 | HMO/HMOPOS | Chicago | 15,038 |
| Molina Healthcare of Illinois (Molina Healthcare, Inc.) | H3093 | HMO/HMOPOS | Atlanta | 15,038 |
| Wellcare (Centene Corporation) | H9364 | HMO/HMOPOS | Denver | 14,975 |
| Blue Shield of California (California Physicians' Service) | H2819 | HMO/HMOPOS | Dallas | 14,956 |
| Wellcare (Centene Corporation) | H2915 | HMO/HMOPOS | Denver | 14,783 |
| Highmark Blue Cross Blue Shield or Highmark Blue Shield (Highmark Health) | H5526 | Local PPO | Boston | 14,771 |
| Memorial Hermann Health Plan (Memorial Hermann Health System) | H7115 | HMO/HMOPOS | Seattle | 14,748 |
| PrimeTime Health Plan (Aultman Health Foundation) | H3664 | HMO/HMOPOS | Chicago | 14,548 |
| Aetna Medicare (CVS Health Corporation) | H8597 | HMO/HMOPOS | Atlanta | 14,486 |
| Anthem Blue Cross and Blue Shield (Elevance Health, Inc.) | H5422 | HMO/HMOPOS | Chicago | 14,459 |
| Wellpoint (Elevance Health, Inc.) | H3240 | HMO/HMOPOS | Chicago | 14,405 |
| Molina Healthcare of Ohio (Molina Healthcare, Inc.) | H9955 | HMO/HMOPOS | New York | 14,295 |
| HealthSpring (Health Care Service Corporation) | H4407 | HMO/HMOPOS | New York | 14,293 |
| Medica (Medica Holding Company) | H2458 | HMO/HMOPOS | Dallas | 13,830 |
| Healthfirst Medicare Plan (Healthfirst, Inc.) | H5989 | HMO/HMOPOS | Chicago | 13,716 |
| Alterwood Advantage (LifeBridge Health, Inc.) | H9306 | HMO/HMOPOS | Seattle | 13,670 |
| Wellcare (Centene Corporation) | H1862 | HMO/HMOPOS | Denver | 13,565 |
| MetroPlus Health Plan (New York City Health and Hospitals Corporation) | H0423 | HMO/HMOPOS | Atlanta | 13,517 |
| Wellcare (Centene Corporation) | H5087 | HMO/HMOPOS | Denver | 13,417 |
| Wellcare (Centene Corporation) | H7326 | Local PPO | Denver | 13,370 |
| Wellpoint (Elevance Health, Inc.) | H2593 | HMO/HMOPOS | Chicago | 13,319 |
| CareOregon Advantage (CareOregon, Inc.) | H5859 | HMO/HMOPOS | Boston | 13,288 |
| Molina Healthcare of Washington, Inc. (Molina Healthcare, Inc.) | H5823 | HMO/HMOPOS | New York | 13,256 |
| Wellcare (Centene Corporation) | H0913 | HMO/HMOPOS | Denver | 13,173 |
| Wellcare (Centene Corporation) | H5779 | HMO/HMOPOS | Denver | 13,171 |
| Wellcare (Centene Corporation) | H8189 | HMO/HMOPOS | Denver | 12,953 |
| HealthSpring (Health Care Service Corporation) | H2108 | HMO/HMOPOS | New York | 12,780 |
| Wellcare (Centene Corporation) | H6815 | HMO/HMOPOS | Denver | 12,601 |
| Peak Health (West Virginia United Health System, Inc.) | H8947 | Local PPO | Dallas | 12,475 |
| Medical Mutual of Ohio (MEDICAL MUTUAL OF OHIO) | H4497 | Local PPO | Chicago | 12,140 |
| Blue Plus (Aware Integrated, Inc.) | H2425 | HMO/HMOPOS | Chicago | 12,083 |
| CarePartners of Connecticut (Point32Health, Inc.) | H0342 | Local PPO | Boston | 12,020 |
| Devoted Health (Devoted Health, Inc.) | H2526 | Local PPO | New York | 12,010 |
| Santa Clara Family Health Plan (SANTA CLARA COUNTY HEALTH AUTHORITY) | H4045 | HMO/HMOPOS | Boston | 11,853 |
| Fallon Health (Fallon Community Health Plan, Inc.) | H9001 | HMO/HMOPOS | Boston | 11,786 |
| UCLA Health Medicare Advantage Plan (The Regents of the University of California) | H4647 | HMO/HMOPOS | Dallas | 11,716 |
| Humana (Humana Inc.) | H7284 | Local PPO | Kansas City | 11,709 |
| Dean Advantage (Medica Holding Company) | H9096 | HMO/HMOPOS | Dallas | 11,533 |
| Devoted Health (Devoted Health, Inc.) | H4808 | Local PPO | New York | 11,521 |
| Aetna Medicare (CVS Health Corporation) | H1610 | HMO/HMOPOS | Atlanta | 11,494 |
| Devoted Health (Devoted Health, Inc.) | H8173 | HMO/HMOPOS | New York | 11,405 |
| Aetna Medicare (CVS Health Corporation) | H0523 | HMO/HMOPOS | Atlanta | 11,384 |
| Neighborhood Health Plan of Rhode Island (NEIGHBORHOOD HEALTH PLAN OF RHODE ISLAND) | H7635 | HMO/HMOPOS | Boston | 11,265 |
| Wellcare (Centene Corporation) | H1914 | Local PPO | Denver | 11,263 |
| Anthem HealthKeepers (Elevance Health, Inc.) | H7220 | HMO/HMOPOS | Chicago | 11,081 |
| CarePartners of Connecticut (Point32Health, Inc.) | H5273 | HMO/HMOPOS | Boston | 11,059 |
| Humana (Humana Inc.) | H4623 | HMO/HMOPOS | Kansas City | 11,052 |
| Essence Healthcare (Lumeris Group Holdings Corporation) | H6200 | Local PPO | Dallas | 10,976 |
| Anthem Blue Cross and Blue Shield (Elevance Health, Inc.) | H4909 | Local PPO | Chicago | 10,970 |
| Trinity Health Plan of Michigan (Trinity Health Corporation) | H9179 | HMO/HMOPOS | Chicago | 10,939 |
| Humana (Humana Inc.) | H0292 | HMO/HMOPOS | Kansas City | 10,922 |
| VillageCareMAX (Village Care of New York, Inc.) | H2168 | HMO/HMOPOS | New York | 10,919 |
| Mercy Care Advantage (Mercy Care) | H5580 | HMO/HMOPOS | New York | 10,852 |
| Banner Medicare Advantage (Banner Health) | H4931 | HMO/HMOPOS | New York | 10,807 |
| Devoted Health (Devoted Health, Inc.) | H5718 | Local PPO | Boston | 10,658 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H2272 | HMO/HMOPOS | Boston | 10,631 |
| Devoted Health (Devoted Health, Inc.) | H2686 | Local PPO | New York | 10,596 |
| ATRIO Health Plans | H7006 | Local PPO | Dallas | 10,542 |
| Wellcare (Centene Corporation) | H2491 | HMO/HMOPOS | Denver | 10,505 |
| Regence BlueShield (Cambia Health Solutions, Inc.) | H5009 | Local PPO | Dallas | 10,501 |
| Molina Healthcare of Massachusetts (Molina Healthcare, Inc.) | H2224 | HMO/HMOPOS | New York | 10,465 |
| SCAN Health Plan (SCAN Group) | H1822 | HMO/HMOPOS | Chicago | 10,288 |
| Blue Cross and Blue Shield of Kansas (Blue Cross Blue Shield of Kansas) | H7063 | Local PPO | Chicago | 10,240 |
| Anthem Blue Cross and Blue Shield (Elevance Health, Inc.) | H7093 | Local PPO | Chicago | 10,178 |
| Alignment Health Plan (Alignment Healthcare USA, LLC) | H5472 | HMO/HMOPOS | Chicago | 10,135 |
| Alignment Health Plan (Alignment Healthcare USA, LLC) | H3443 | HMO/HMOPOS | Chicago | 9,916 |
| Community Health Group | H4733 | HMO/HMOPOS | New York | 9,901 |
| Fallon Health (Fallon Community Health Plan, Inc.) | H8928 | HMO/HMOPOS | Boston | 9,893 |
| Health New England Medicare Advantage Plans (Baystate Health, Inc.) | H8578 | HMO/HMOPOS | Boston | 9,841 |
| Humana (Humana Inc.) | H2875 | HMO/HMOPOS | Kansas City | 9,816 |
| Molina Healthcare of Texas, Inc. (Molina Healthcare, Inc.) | H6515 | HMO/HMOPOS | Atlanta | 9,726 |
| Aetna Medicare (CVS Health Corporation) | H4982 | HMO/HMOPOS | Atlanta | 9,688 |
| Devoted Health (Devoted Health, Inc.) | H3080 | HMO/HMOPOS | New York | 9,640 |
| Aetna Medicare (CVS Health Corporation) | H7149 | HMO/HMOPOS | Atlanta | 9,347 |
| Wellcare (Centene Corporation) | H0062 | HMO/HMOPOS | Denver | 9,308 |
| Wellcare (Centene Corporation) | H0908 | HMO/HMOPOS | Denver | 9,227 |
| Sentara Medicare (Sentara Health Care (SHC)) | H4499 | HMO/HMOPOS | Dallas | 9,219 |
| Baylor Scott & White Health Plan (Baylor Scott & White Health) | H2032 | Local PPO | Denver | 9,034 |
| Align powered by Sanford Health Plan (Sanford Health) | H8385 | Local PPO | Dallas | 9,033 |
| Community Health Plan of WA Medicare Advantage (Community Health Plan of Washington) | H5826 | HMO/HMOPOS | Boston | 8,975 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H2292 | Local PPO | Boston | 8,901 |
| CHRISTUS Health Advantage (CHRISTUS Health) | H1189 | HMO/HMOPOS | Seattle | 8,889 |
| Peoples Health (UnitedHealth Group, Inc.) | H4544 | Local PPO | Boston | 8,883 |
| Devoted Health (Devoted Health, Inc.) | H7147 | HMO/HMOPOS | New York | 8,880 |
| Devoted Health (Devoted Health, Inc.) | H7355 | Local PPO | Boston | 8,868 |
| Priority Health Medicare (Corewell Health) | H8379 | HMO/HMOPOS | Seattle | 8,685 |
| Blue Cross Blue Shield of Arizona Health Choice (Blue Cross Blue Shield of Arizona) | H5587 | HMO/HMOPOS | Chicago | 8,642 |
| HEALTH PLAN OF SAN MATEO (Health Plan of San Mateo) | H6019 | HMO/HMOPOS | New York | 8,542 |
| Aetna Medicare (CVS Health Corporation) | H4711 | HMO/HMOPOS | Atlanta | 8,461 |
| MyTruAdvantage (SIHO Holding, Inc.) | H9042 | Local PPO | Dallas | 8,430 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H4032 | HMO/HMOPOS | Boston | 8,428 |
| Capital Blue Cross (CAPITAL BLUE CROSS) | H3962 | HMO/HMOPOS | Chicago | 8,417 |
| CareFirst BlueCross BlueShield Advantage DualPrime (CareFirst, Inc.) | H8854 | HMO/HMOPOS | Chicago | 8,387 |
| Aspire Health (Montage Health) | H8764 | HMO/HMOPOS | Philadelphia | 8,361 |
| Devoted Health (Devoted Health, Inc.) | H6018 | Local PPO | New York | 8,244 |
| Anthem Blue Cross Life and Health Insurance Company (Elevance Health, Inc.) | H4704 | Local PPO | Chicago | 8,227 |
| Anthem Blue Cross and Blue Shield (Elevance Health, Inc.) | H1607 | Local PPO | Chicago | 8,192 |
| Alignment Health Plan (Alignment Healthcare USA, LLC) | H4961 | Local PPO | Chicago | 8,050 |
| Aetna Medicare (CVS Health Corporation) | H2056 | HMO/HMOPOS | Atlanta | 8,029 |
| Wellcare (Centene Corporation) | H4158 | HMO/HMOPOS | Dallas | 8,023 |
| Devoted Health (Devoted Health, Inc.) | H7151 | HMO/HMOPOS | New York | 8,004 |
| Arkansas Blue Medicare (USAble Mutual Insurance Company) | H9699 | HMO/HMOPOS | New York | 7,937 |
| Blue Shield of California (California Physicians' Service) | H5928 | HMO/HMOPOS | Dallas | 7,880 |
| Devoted Health (Devoted Health, Inc.) | H6852 | HMO/HMOPOS | New York | 7,860 |
| Devoted Health (Devoted Health, Inc.) | H9231 | Local PPO | New York | 7,658 |
| Johns Hopkins Advantage MD (Johns Hopkins Healthcare LLC) | H1225 | HMO/HMOPOS | Boston | 7,639 |
| AmeriHealth (Independence Health Group, Inc.) | H5361 | Local PPO | Chicago | 7,602 |
| Anthem Blue Cross and Blue Shield HP (Elevance Health, Inc.) | H6988 | HMO/HMOPOS | Chicago | 7,492 |
| Banner Medicare Advantage (Banner Health) | H5843 | HMO/HMOPOS | New York | 7,436 |
| The Health Plan (The Health Plan of West Virginia, Inc.) | H3672 | HMO/HMOPOS | Chicago | 7,271 |
| Regence BlueCross BlueShield of Utah (Cambia Health Solutions, Inc.) | H4605 | Local PPO | Dallas | 7,257 |
| Devoted Health (Devoted Health, Inc.) | H6586 | Local PPO | New York | 7,256 |
| Wellcare (Centene Corporation) | H0712 | HMO/HMOPOS | Denver | 7,196 |
| Aetna Medicare (CVS Health Corporation) | H6399 | HMO/HMOPOS | Atlanta | 7,170 |
| Champion Heath Plan (Champion Health Plans-USA, LLC.) | H6170 | HMO/HMOPOS | Dallas | 7,134 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H5652 | HMO/HMOPOS | Boston | 7,065 |
| Anthem Blue Cross and Blue Shield (Elevance Health, Inc.) | H4346 | HMO/HMOPOS | Chicago | 6,932 |
| The Health Plan (The Health Plan of West Virginia, Inc.) | H8604 | Local PPO | Chicago | 6,899 |
| Johns Hopkins Advantage MD (Johns Hopkins Healthcare LLC) | H3890 | Local PPO | Boston | 6,849 |
| Tufts Health Plan (Point32Health, Inc.) | H5314 | HMO/HMOPOS | Boston | 6,829 |
| Blue Cross and Blue Shield of Nebraska (Blue Cross Blue Shield of Nebraska) | H3170 | HMO/HMOPOS | Chicago | 6,823 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H3868 | HMO/HMOPOS | Boston | 6,818 |
| NextBlue of North Dakota (Blue Cross Blue Shield of Michigan Mutual Ins. Co.) | H6202 | Local PPO | Chicago | 6,683 |
| Wellcare (Centene Corporation) | H7435 | HMO/HMOPOS | Denver | 6,669 |
| Wellcare (Centene Corporation) | H4847 | HMO/HMOPOS | Denver | 6,604 |
| Triple-S Advantage (Guidewell Mutual Holding Corporation) | H4005 | Local PPO | Dallas | 6,601 |
| WyoBlue Advantage (Blue Cross Blue Shield of Michigan Mutual Ins. Co.) | H9326 | Local PPO | Chicago | 6,574 |
| Wellcare (Centene Corporation) | H4073 | HMO/HMOPOS | Denver | 6,500 |
| Wellcare (Centene Corporation) | H6348 | Local PPO | Denver | 6,373 |
| Zing Health (Zing Health Consolidator, Inc) | H6876 | Local PPO | Chicago | 6,199 |
| Alignment Health Plan (Alignment Healthcare USA, LLC) | H9686 | HMO/HMOPOS | Chicago | 6,150 |
| Blue Cross and Blue Shield of Texas (Health Care Service Corporation) | H9706 | HMO/HMOPOS | Dallas | 6,144 |
| Aspirus Health Plan (Aspirus, Inc.) | H6874 | Local PPO | Chicago | 6,039 |
| Wellcare (Centene Corporation) | H0111 | Local PPO | Denver | 5,977 |
| MediGold (Trinity Health Corporation) | H1846 | Local PPO | Chicago | 5,869 |
| CCHP (Chinese Community Health Plan) (Chinese Hospital Association) | H0571 | HMO/HMOPOS | Boston | 5,756 |
| HealthPartners (HealthPartners, Inc.) | H2422 | HMO/HMOPOS | Chicago | 5,717 |
| eternalHealth (Eternal Health of Delaware, Inc.) | H2694 | Local PPO | Boston | 5,659 |
| SCAN Health Plan (SCAN Group) | H0978 | HMO/HMOPOS | Chicago | 5,567 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H0421 | Local PPO | Boston | 5,351 |
| Wellcare (Centene Corporation) | H2117 | Local PPO | Denver | 5,247 |
| Wellcare (Centene Corporation) | H5272 | HMO/HMOPOS | Dallas | 5,243 |
| Elevate Medicare Advantage (Denver Health and Hospital Authority) | H5608 | HMO/HMOPOS | Dallas | 5,080 |
| HealthPartners (HealthPartners, Inc.) | H6309 | Local PPO | Chicago | 4,990 |
| Aetna Medicare (CVS Health Corporation) | H3928 | HMO/HMOPOS | Atlanta | 4,929 |
| Health New England Medicare Advantage Plans (Baystate Health, Inc.) | H2737 | Local PPO | Boston | 4,919 |
| Alignment Health Plan (Alignment Healthcare USA, LLC) | H8832 | Local PPO | Chicago | 4,915 |
| Arkansas Blue Medicare (USAble Mutual Insurance Company) | H6158 | HMO/HMOPOS | New York | 4,884 |
| Gold Kidney Health Plan | H4869 | HMO/HMOPOS | Boston | 4,844 |
| Devoted Health (Devoted Health, Inc.) | H8917 | Local PPO | Boston | 4,782 |
| Mass Advantage (Central Mass Health Holding LLC) | H9904 | Local PPO | Boston | 4,723 |
| Patrius Health (BlueCross BlueShield of Alabama) | H1347 | Local PPO | New York | 4,652 |
| Devoted Health (Devoted Health, Inc.) | H7397 | Local PPO | Boston | 4,530 |
| Wellcare (Centene Corporation) | H2174 | HMO/HMOPOS | Denver | 4,460 |
| Aetna Medicare (CVS Health Corporation) | H3748 | HMO/HMOPOS | Atlanta | 4,436 |
| Cox HealthPlans (CoxHealth) | H2942 | HMO/HMOPOS | Kansas City | 4,386 |
| Devoted Health (Devoted Health, Inc.) | H4348 | Local PPO | Atlanta | 4,386 |
| Humana (Humana Inc.) | H2463 | HMO/HMOPOS | Kansas City | 4,384 |
| Highmark Blue Cross Blue Shield (Highmark Health) | H7710 | HMO/HMOPOS | Boston | 4,375 |
| Provider Partners Health Plans (Rifkin Managed Care Holding, LLC) | H4444 | HMO/HMOPOS | Dallas | 4,338 |
| HAP CareSource MI Coordinated Health (Henry Ford Health System) | H4193 | HMO/HMOPOS | Chicago | 4,322 |
| WellSense Health Plan (BMC Health System, Inc.) | H6851 | HMO/HMOPOS | Boston | 4,271 |
| Wellpoint (Elevance Health, Inc.) | H0907 | HMO/HMOPOS | Chicago | 4,260 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H4610 | HMO/HMOPOS | Boston | 4,173 |
| Humana (Humana Inc.) | H2486 | HMO/HMOPOS | Kansas City | 4,123 |
| HMSA Akamai Advantage Dual Care (Hawaii Medical Service Association) | H8481 | Local PPO | San Francisco | 4,109 |
| Jefferson Health Plans (Thomas Jefferson University) | H1619 | Local PPO | Chicago | 4,102 |
| Independent Health (Independent Health Association, Inc.) | H3344 | Local PPO | Dallas | 4,096 |
| Devoted Health (Devoted Health, Inc.) | H9884 | Local PPO | Kansas City | 4,091 |
| Aetna Medicare (CVS Health Corporation) | H1206 | HMO/HMOPOS | Atlanta | 4,072 |
| Wellcare (Centene Corporation) | H1664 | HMO/HMOPOS | Denver | 4,067 |
| Wellcare (Centene Corporation) | H3499 | HMO/HMOPOS | Denver | 4,065 |
| Highmark Blue Cross Blue Shield (Highmark Health) | H8166 | Local PPO | Boston | 4,019 |
| SCAN Health Plan (SCAN Group) | H8902 | HMO/HMOPOS | Chicago | 4,003 |
| Wellpoint (Elevance Health, Inc.) | H1423 | HMO/HMOPOS | Chicago | 3,956 |
| Aetna Medicare (CVS Health Corporation) | H5593 | HMO/HMOPOS | Atlanta | 3,952 |
| Verda Health Plan of Texas (Verda Healthcare, Inc.) | H5163 | HMO/HMOPOS | Atlanta | 3,927 |
| Wellcare (Centene Corporation) | H4661 | HMO/HMOPOS | Denver | 3,863 |
| Wellcare (Centene Corporation) | H3975 | Local PPO | Denver | 3,810 |
| Blue Cross of Idaho (Gemstone Holdings, Inc.) | H1302 | Local PPO | Boston | 3,790 |
| Clover Health (Clover Health Holdings, Inc.) | H8010 | HMO/HMOPOS | New York | 3,786 |
| HealthTeam Advantage (Risant Health, Inc.) | H2624 | HMO/HMOPOS | Dallas | 3,669 |
| CDPHP Medicare Advantage (Lifetime Healthcare, Inc.) | H5042 | Local PPO | Chicago | 3,660 |
| Simpra Advantage (Associated Care Ventures, Inc.) | H4091 | Local PPO | New York | 3,651 |
| Martin's Point Generations Advantage (Martin's Point Health Care, Inc.) | H1365 | Local PPO | Boston | 3,614 |
| Aetna Medicare (CVS Health Corporation) | H4835 | HMO/HMOPOS | Atlanta | 3,608 |
| Devoted Health (Devoted Health, Inc.) | H8320 | Local PPO | Boston | 3,575 |
| Humana (Humana Inc.) | H5377 | HMO/HMOPOS | Kansas City | 3,512 |
| SCAN Health Plan (SCAN Group) | H4026 | HMO/HMOPOS | Chicago | 3,424 |
| Wellcare (Centene Corporation) | H7518 | Local PPO | Denver | 3,402 |
| Blue Cross and Blue Shield of North Carolina (CuraCor Solutions Corp.) | H9147 | HMO/HMOPOS | Atlanta | 3,346 |
| Healthy Blue (Elevance Health, Inc.) | H1947 | HMO/HMOPOS | Chicago | 3,324 |
| Healthy Blue (Elevance Health, Inc.) | H6316 | HMO/HMOPOS | Chicago | 3,305 |
| Devoted Health (Devoted Health, Inc.) | H5397 | HMO/HMOPOS | Atlanta | 3,227 |
| Blue Cross and Blue Shield of Oklahoma (Health Care Service Corporation) | H3979 | HMO/HMOPOS | Dallas | 3,188 |
| Molina Healthcare of South Carolina (Molina Healthcare, Inc.) | H8176 | HMO/HMOPOS | New York | 3,168 |
| Upper Peninsula Health Plan (UPHP) MI Coordinated Health (DLP Marquette Health Plan, LLC) | H3127 | HMO/HMOPOS | Chicago | 3,080 |
| Liberty Medicare Advantage (Liberty Healthcare Insurance) | H6351 | HMO/HMOPOS | Atlanta | 3,041 |
| Wellcare (Centene Corporation) | H1215 | HMO/HMOPOS | Denver | 3,021 |
| PruittHealth Premier (UNICO Services, Inc.) | H3291 | HMO/HMOPOS | Chicago | 2,942 |
| Align powered by Sanford Health Plan (Sanford Health) | H3186 | Local PPO | Dallas | 2,916 |
| Devoted Health (Devoted Health, Inc.) | H6813 | Local PPO | New York | 2,911 |
| Texas Independence Health Plan (Regency ISNP Holdings LLC) | H5015 | HMO/HMOPOS | Dallas | 2,849 |
| Mass Advantage (Central Mass Health Holding LLC) | H7670 | HMO/HMOPOS | Boston | 2,831 |
| Arkansas Superior Select Health Plans (Select Founders, LLC) | H1587 | HMO/HMOPOS | Dallas | 2,795 |
| First Choice VIP Care (HMO D-SNP) (Independence Health Group, Inc.) | H4739 | HMO/HMOPOS | Chicago | 2,715 |
| Molina Healthcare of Texas, Inc. (Molina Healthcare, Inc.) | H7678 | HMO/HMOPOS | New York | 2,691 |
| Wellcare (Centene Corporation) | H1395 | Local PPO | Denver | 2,686 |
| Molina Healthcare of Wisconsin (Molina Healthcare, Inc.) | H5209 | HMO/HMOPOS | New York | 2,671 |
| Devoted Health (Devoted Health, Inc.) | H2845 | Local PPO | Atlanta | 2,664 |
| Prominence Health Plan (Universal Health Services, Inc.) | H7239 | HMO/HMOPOS | Boston | 2,632 |
| Trinity Health Plan New York (Trinity Health Corporation) | H9827 | HMO/HMOPOS | Chicago | 2,618 |
| Devoted Health (Devoted Health, Inc.) | H7199 | Local PPO | New York | 2,598 |
| Devoted Health (Devoted Health, Inc.) | H6545 | Local PPO | New York | 2,585 |
| Blue Cross and Blue Shield of Texas (Health Care Service Corporation) | H8133 | HMO/HMOPOS | Dallas | 2,581 |
| Wellcare (Centene Corporation) | H4537 | Local PPO | Denver | 2,560 |
| AlohaCare | H5969 | HMO/HMOPOS | Boston | 2,540 |
| PacificSource Medicare (PacificSource) | H4754 | Local PPO | Dallas | 2,524 |
| Provider Partners Health Plans (Rifkin Managed Care Holding, LLC) | H4054 | HMO/HMOPOS | Dallas | 2,519 |
| Devoted Health (Devoted Health, Inc.) | H9802 | Local PPO | Atlanta | 2,514 |
| Anthem Blue Cross and Blue Shield (Elevance Health, Inc.) | H2836 | Local PPO | Chicago | 2,508 |
| AllCare Advantage (AllCare Health, Inc.) | H3810 | HMO/HMOPOS | Dallas | 2,436 |
| Quartz Medicare Advantage (HMO) (University of Wisconsin Hospitals and Clincs Autho) | H9834 | HMO/HMOPOS | Chicago | 2,429 |
| McLaren Medicare (McLaren Health Care Corporation) | H6322 | HMO/HMOPOS | Chicago | 2,416 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H1659 | Local PPO | Boston | 2,412 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H1360 | HMO/HMOPOS | Boston | 2,404 |
| Blue Cross & Blue Shield of Rhode Island | H3557 | Local PPO | Boston | 2,379 |
| EmblemHealth (EmblemHealth, Inc.) | H5991 | HMO/HMOPOS | New York | 2,366 |
| Gold Kidney Health Plan | H1526 | HMO/HMOPOS | Boston | 2,366 |
| Devoted Health (Devoted Health, Inc.) | H7605 | HMO/HMOPOS | Kansas City | 2,362 |
| Valor Health Plan (The Schroer Group, Inc.) | H1119 | HMO/HMOPOS | Chicago | 2,354 |
| Communicare Advantage (SNP Holdings, LLC) | H3727 | HMO/HMOPOS | Chicago | 2,342 |
| Devoted Health (Devoted Health, Inc.) | H6994 | HMO/HMOPOS | Atlanta | 2,327 |
| Wellpoint (Elevance Health, Inc.) | H1894 | HMO/HMOPOS | Chicago | 2,322 |
| MyTruAdvantage (SIHO Holding, Inc.) | H6529 | HMO/HMOPOS | Dallas | 2,291 |
| Devoted Health (Devoted Health, Inc.) | H3041 | HMO/HMOPOS | New York | 2,282 |
| eternalHealth (Eternal Health of Delaware, Inc.) | H3551 | HMO/HMOPOS | Boston | 2,258 |
| Wellcare (Centene Corporation) | H6550 | HMO/HMOPOS | Denver | 2,209 |
| Passport Advantage (Molina Healthcare, Inc.) | H1799 | HMO/HMOPOS | New York | 2,163 |
| Hamaspik, Inc. (Hamaspik of Rockland County, Inc.) | H0034 | HMO/HMOPOS | Atlanta | 2,153 |
| Paramount Elite Medicare Plans (MEDICAL MUTUAL OF OHIO) | H5232 | Local PPO | Chicago | 2,114 |
| Wellcare (Centene Corporation) | H7323 | Local PPO | Denver | 2,101 |
| Wellcare (Centene Corporation) | H9916 | HMO/HMOPOS | Dallas | 2,089 |
| PrimeWest Health (PrimeWest Rural MN Health Care Access Initiative) | H2416 | HMO/HMOPOS | Chicago | 2,086 |
| ATRIO Health Plans | H3814 | HMO/HMOPOS | Dallas | 2,076 |
| Mass General Brigham Health Plan (Mass General Brigham Incorporated) | H6847 | HMO/HMOPOS | Boston | 2,062 |
| Devoted Health (Devoted Health, Inc.) | H9977 | HMO/HMOPOS | Atlanta | 2,061 |
| Excellus Health Plan Community Care LLC (Lifetime Healthcare, Inc.) | H7524 | HMO/HMOPOS | Chicago | 2,037 |
| Tufts Health Plan (Point32Health, Inc.) | H9907 | Local PPO | Boston | 1,995 |
| Experience Health (CuraCor Solutions Corp.) | H3777 | HMO/HMOPOS | Atlanta | 1,993 |
| Georgia Health Advantage (Mitchell Family Office) | H8093 | HMO/HMOPOS | Dallas | 1,983 |
| AmeriHealth Caritas VIP Care (Independence Health Group, Inc.) | H6341 | HMO/HMOPOS | Chicago | 1,966 |
| Healthfirst Medicare Plan (Healthfirst, Inc.) | H1722 | HMO/HMOPOS | Chicago | 1,926 |
| Regence BlueCross BlueShield of Oregon (Cambia Health Solutions, Inc.) | H6237 | HMO/HMOPOS | Dallas | 1,862 |
| El Paso Health Medicare Advantage (El Paso County Hospital District) | H3407 | HMO/HMOPOS | Dallas | 1,798 |
| Medica (Medica Holding Company) | H6154 | HMO/HMOPOS | Dallas | 1,792 |
| Troy Medicare (Troy Holdings, Inc.) | H4676 | HMO/HMOPOS | Atlanta | 1,707 |
| Aetna Medicare (CVS Health Corporation) | H1109 | HMO/HMOPOS | Atlanta | 1,694 |
| West Virginia Senior Advantage (SNP Holdings, LLC) | H9153 | HMO/HMOPOS | Chicago | 1,607 |
| Wellcare (Centene Corporation) | H5965 | Local PPO | Denver | 1,598 |
| Devoted Health (Devoted Health, Inc.) | H7766 | Local PPO | Atlanta | 1,597 |
| Molina Healthcare of Arizona (Molina Healthcare, Inc.) | H8845 | HMO/HMOPOS | New York | 1,567 |
| Blue Cross and Blue Shield of Illinois (Health Care Service Corporation) | H8547 | HMO/HMOPOS | Chicago | 1,553 |
| Perennial Advantage (Perennial Consortium, LLC) | H8797 | HMO/HMOPOS | Chicago | 1,547 |
| HealthSpring (Health Care Service Corporation) | H9460 | HMO/HMOPOS | New York | 1,545 |
| Wellcare (Centene Corporation) | H0074 | Local PPO | Denver | 1,540 |
| eternalHealth (Eternal Health of Delaware, Inc.) | H1280 | HMO/HMOPOS | Boston | 1,510 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H0764 | Local PPO | Boston | 1,495 |
| Kaiser Permanente (Kaiser Foundation Health Plan, Inc.) | H2704 | HMO/HMOPOS | Dallas | 1,480 |
| UPMC for Life Complete Care (UPMC Health System) | H7123 | HMO/HMOPOS | Dallas | 1,470 |
| Iowa Health Advantage (Mitchell Family Office) | H6765 | HMO/HMOPOS | Dallas | 1,459 |
| Anthem Blue Cross and Blue Shield (Elevance Health, Inc.) | H2441 | Local PPO | Chicago | 1,441 |
| Align Senior Care (Curana Health Holdings, LLC) | H6832 | HMO/HMOPOS | Chicago | 1,440 |
| Aetna Medicare (CVS Health Corporation) | H8649 | HMO/HMOPOS | Atlanta | 1,434 |
| Samaritan Advantage Health Plans (Samaritan Health Services, Inc.) | H3811 | HMO/HMOPOS | Chicago | 1,420 |
| Molina Healthcare of California (Molina Healthcare, Inc.) | H5810 | HMO/HMOPOS | New York | 1,367 |
| Provider Partners Health Plans (Rifkin Managed Care Holding, LLC) | H9191 | HMO/HMOPOS | Dallas | 1,366 |
| Longevity Health Plan (Longevity Health Founders, LLC) | H7557 | HMO/HMOPOS | Seattle | 1,360 |
| Florida Complete Care (Independent Living Systems, LLC) | H9986 | HMO/HMOPOS | Kansas City | 1,349 |
| NHC Advantage (Missouri Healthcare Advisors, LLC) | H4172 | HMO/HMOPOS | Chicago | 1,331 |
| Group Health Cooperative of Eau Claire | H7598 | HMO/HMOPOS | Chicago | 1,325 |
| Devoted Health (Devoted Health, Inc.) | H4473 | Local PPO | Atlanta | 1,312 |
| Kaiser Permanente (Kaiser Foundation Health Plan, Inc.) | H3138 | Local PPO | Dallas | 1,290 |
| Provider Partners Health Plans (Rifkin Managed Care Holding, LLC) | H3800 | HMO/HMOPOS | Dallas | 1,184 |
| AmeriHealth Caritas VIP Care (HMO-D-SNP) (Independence Health Group, Inc.) | H0738 | HMO/HMOPOS | Chicago | 1,163 |
| Longevity Health Plan (Longevity Health Founders, LLC) | H9942 | Local PPO | Seattle | 1,147 |
| Longevity Health (Longevity Health Founders, LLC) | H9590 | HMO/HMOPOS | Seattle | 1,083 |
| Community Health Choice (Harris County Hospital District) | H9826 | HMO/HMOPOS | Dallas | 1,077 |
| Anthem Blue Cross Life and Health Insurance Company (Elevance Health, Inc.) | H8552 | Local PPO | Chicago | 1,075 |
| Abilis Health (HMO SNP) (BrightSpring Health Services, Inc.) | H2400 | HMO/HMOPOS | Philadelphia | 1,072 |
| Kern Family Health Care Medicare (D-SNP) (Kern Health Systems (KHS)) | H4057 | HMO/HMOPOS | Dallas | 1,039 |
| Lagniappe Advantage (Curana Health Holdings, LLC) | H6566 | Local PPO | Chicago | 1,038 |
| ProCare Advantage (First Sacramento Capital Funding LLC) | H3467 | HMO/HMOPOS | Dallas | 989 |
| AgeRight Advantage (Marquis Companies I, Inc.) | H1372 | HMO/HMOPOS | Seattle | 979 |
| San Francisco Health Plan (SAN FRANCISCO HEALTH AUTHORITY) | H8051 | HMO/HMOPOS | New York | 973 |
| Jefferson Health Plans (Thomas Jefferson University) | H3124 | Local PPO | Chicago | 935 |
| South Country Health Alliance | H2419 | HMO/HMOPOS | Chicago | 932 |
| iCare (Humana Inc.) | H2237 | HMO/HMOPOS | Kansas City | 920 |
| Wellcare (Centene Corporation) | H9387 | Local PPO | Denver | 916 |
| Longevity Health Plan (Longevity Health Founders, LLC) | H5374 | HMO/HMOPOS | Seattle | 914 |
| Sentara Medicare (Sentara Health Care (SHC)) | H2563 | HMO/HMOPOS | Dallas | 908 |
| CareSource | H8390 | HMO/HMOPOS | Boston | 897 |
| WellSense Health Plan (BMC Health System, Inc.) | H7980 | Local PPO | Boston | 891 |
| Senior Whole Health of New York (Molina Healthcare, Inc.) | H5992 | HMO/HMOPOS | New York | 888 |
| Molina Healthcare of Illinois (Molina Healthcare, Inc.) | H2715 | HMO/HMOPOS | New York | 883 |
| Kansas Health Advantage (Kansas Superior Select) | H2392 | HMO/HMOPOS | Kansas City | 882 |
| Regence BlueShield of Idaho (Cambia Health Solutions, Inc.) | H1304 | Local PPO | Kansas City | 864 |
| Longevity Health Plan (Longevity Health Founders, LLC) | H1644 | HMO/HMOPOS | Seattle | 856 |
| Provider Partners Health Plans (Rifkin Managed Care Holding, LLC) | H4093 | HMO/HMOPOS | Dallas | 846 |
| PruittHealth Premier (UNICO Services, Inc.) | H6345 | HMO/HMOPOS | Chicago | 841 |
| Alignment Health Plan (Alignment Healthcare USA, LLC) | H7074 | Local PPO | Chicago | 840 |
| Central California Alliance for Health (SANTA CRUZ MONTEREY MERCED SAN BENITO MARIPOSA MAN) | H5692 | HMO/HMOPOS | Dallas | 802 |
| ElderServe Health (CareSource) | H6776 | HMO/HMOPOS | Boston | 802 |
| SCAN Health Plan (SCAN Group) | H5244 | HMO/HMOPOS | Chicago | 799 |
| Blue Cross and Blue Shield of OK, TX (Health Care Service Corporation) | H8554 | HMO/HMOPOS | Dallas | 777 |
| Community First (Bexar County Hospital District) | H5447 | HMO/HMOPOS | Dallas | 766 |
| American Health Advantage of Missouri (Mitchell Family Office) | H4490 | HMO/HMOPOS | Dallas | 753 |
| Saint Alphonsus Health Plan (Trinity Health Corporation) | H3828 | Local PPO | Chicago | 742 |
| American Health Advantage of MS (Mitchell Family Office) | H9909 | HMO/HMOPOS | Dallas | 731 |
| Longevity Health Plan (Longevity Health Founders, LLC) | H8457 | HMO/HMOPOS | Seattle | 709 |
| Aetna Medicare (CVS Health Corporation) | H9431 | Local PPO | Atlanta | 693 |
| PrimeWest Health (PrimeWest Rural MN Health Care Access Initiative) | H2926 | HMO/HMOPOS | Chicago | 689 |
| American Health Advantage of Louisiana (Mitchell Family Office) | H8492 | HMO/HMOPOS | Dallas | 674 |
| Wellcare (Centene Corporation) | H0270 | Local PPO | Denver | 673 |
| VillageHealth (SCAN Group) | H5943 | HMO/HMOPOS | Chicago | 655 |
| Devoted Health (Devoted Health, Inc.) | H0413 | Local PPO | Atlanta | 644 |
| Healthfirst Medicare Plan (Healthfirst, Inc.) | H9678 | Local PPO | Chicago | 642 |
| Nascentia Health Plus (VISITING NURSE ASSOCIATION OF CENTRAL NEW YORK) | H9066 | HMO/HMOPOS | New York | 637 |
| Align Senior Care (Curana Health Holdings, LLC) | H3274 | HMO/HMOPOS | Chicago | 629 |
| Great Plains Medicare Advantage (Sanford Health) | H7511 | HMO/HMOPOS | Dallas | 623 |
| Gold Coast Health Plan (Ventura County Medi-Cal Managed Care Commission) | H9623 | HMO/HMOPOS | New York | 620 |
| Johns Hopkins Advantage MD (Johns Hopkins Healthcare LLC) | H1339 | HMO/HMOPOS | Boston | 614 |
| AHF (AIDS Healthcare Foundation) | H5852 | HMO/HMOPOS | Boston | 604 |
| UnitedHealthcare (UnitedHealth Group, Inc.) | H6706 | HMO/HMOPOS | Boston | 575 |
| Community Health Group | H6248 | HMO/HMOPOS | New York | 550 |
| Wellpoint (Elevance Health, Inc.) | H1212 | HMO/HMOPOS | Chicago | 519 |
| KeyCare Advantage (ISNP Holdings, LLC) | H6959 | HMO/HMOPOS | Chicago | 518 |
| Humana (Humana Inc.) | H0783 | HMO/HMOPOS | Kansas City | 514 |
| American Health Advantage of Pennsylvania (Mitchell Family Office) | H9968 | HMO/HMOPOS | Dallas | 504 |
| American Health Advantage of Texas (Mitchell Family Office) | H6891 | HMO/HMOPOS | Dallas | 499 |
| South Country Health Alliance | H5703 | HMO/HMOPOS | Chicago | 498 |
| ConnectiCare (Molina Healthcare, Inc.) | H3276 | HMO/HMOPOS | New York | 494 |
| Healthy Mississippi, Inc. (Singh Holdings LLC) | H8879 | HMO/HMOPOS | Dallas | 490 |
| American Health Advantage of Indiana (Mitchell Family Office) | H9690 | HMO/HMOPOS | Dallas | 484 |
| American Health Advantage of Oklahoma (Mitchell Family Office) | H3708 | HMO/HMOPOS | Dallas | 463 |
| Regence BlueShield (Cambia Health Solutions, Inc.) | H1997 | HMO/HMOPOS | Kansas City | 462 |
| Humana (Humana Inc.) | H5178 | HMO/HMOPOS | Kansas City | 453 |
| CenCal CareConnect (SANTA BARBARA SAN LUIS OBISPO REGIONAL HEALTH AUTH) | H7620 | HMO/HMOPOS | Atlanta | 441 |
| Align Senior Care (Curana Health Holdings, LLC) | H9917 | HMO/HMOPOS | Chicago | 424 |
| Community Health Plan of Imperial Valley (IMPERIAL COUNTY LOCAL HEALTH AUTHORITY) | H1671 | HMO/HMOPOS | Dallas | 419 |
| Longevity Health Plan (Longevity Health Founders, LLC) | H0363 | HMO/HMOPOS | Seattle | 414 |
| Contra Costa Health Care Plus (HMO D-SNP) (Contra Costa Health Services) | H5119 | HMO/HMOPOS | Chicago | 401 |
| Great Plains Medicare Advantage (Sanford Health) | H8967 | HMO/HMOPOS | Dallas | 396 |
| Mass General Brigham Health Plan (Mass General Brigham Incorporated) | H1611 | HMO/HMOPOS | Boston | 392 |
| Great Plains Medicare Advantage (Sanford Health) | H1787 | HMO/HMOPOS | Dallas | 387 |
| Mass General Brigham Health Plan (Mass General Brigham Incorporated) | H0777 | HMO/HMOPOS | Boston | 383 |
| HealthSpring (Health Care Service Corporation) | H2752 | HMO/HMOPOS | New York | 378 |
| Itasca Medical Care/IMCare Classic (Itasca County) | H2417 | HMO/HMOPOS | Chicago | 329 |
| Perennial Advantage (Perennial Consortium, LLC) | H3419 | HMO/HMOPOS | Chicago | 318 |
| Community Care (CareSource) | H2034 | HMO/HMOPOS | Chicago | 312 |
| American Health Advantage of Utah (Mitchell Family Office) | H4232 | HMO/HMOPOS | Dallas | 311 |
| Health Plan of San Joaquin / Mountain Valley Health Plan Advantage D-SNP (HMO) (SAN JOAQUIN COUNTY HEALTH COMMISSION) | H5734 | HMO/HMOPOS | Dallas | 308 |
| American Health Advantage of Tennessee (Mitchell Family Office) | H7779 | HMO/HMOPOS | Dallas | 292 |
| Lifeworks Advantage (Curana Health Holdings, LLC) | H2185 | HMO/HMOPOS | Chicago | 291 |
| Highmark Blue Cross Blue Shield (Highmark Health) | H6224 | HMO/HMOPOS | Philadelphia | 272 |
| Alameda Alliance for Health | H2035 | HMO/HMOPOS | Dallas | 255 |
| SECUR Health Plan (Chapters CareNu Inc) | H3048 | HMO/HMOPOS | New York | 213 |
| Aetna Medicare (CVS Health Corporation) | H8332 | HMO/HMOPOS | Atlanta | 203 |
| AMH Health (Elevance Health, Inc.) | H9219 | Local PPO | Chicago | 203 |
| ATRIO Health Plans | H5995 | HMO/HMOPOS | Dallas | 196 |
| American Health Advantage of Florida (Mitchell Family Office) | H6652 | HMO/HMOPOS | Dallas | 170 |
| Champion Health Plan (Champion Health Plans-USA, LLC.) | H6474 | HMO/HMOPOS | Dallas | 116 |
| Provider Partners Health Plans (Rifkin Managed Care Holding, LLC) | H4439 | HMO/HMOPOS | Dallas | 107 |
| Molina Healthcare of Massachusetts (Molina Healthcare, Inc.) | H4371 | HMO/HMOPOS | Atlanta | 102 |
| Molina Healthcare of Nevada (Molina Healthcare, Inc.) | H2478 | HMO/HMOPOS | New York | 84 |
| Verda Health Plan of Arizona (Verda Healthcare, Inc.) | H2630 | HMO/HMOPOS | Atlanta | 79 |
| MyAdvocate Medicare Advantage (Sanford Health) | H0816 | HMO/HMOPOS | Dallas | 66 |
| AmeriHealth Caritas VIP Care (HMO-D-SNP) (Independence Health Group, Inc.) | H6378 | HMO/HMOPOS | Chicago | 47 |
| EmblemHealth (EmblemHealth, Inc.) | H5528 | Local PPO | New York | 35 |
| Elite Health Plan, Inc. (Elite Health Systems, Inc.) | H6368 | HMO/HMOPOS | Kansas City | 33 |
| Neighborhood Health Plan of Rhode Island (NEIGHBORHOOD HEALTH PLAN OF RHODE ISLAND) | H2126 | HMO/HMOPOS | Boston | 25 |
| Humana (Humana Inc.) | H2029 | Local PPO | Kansas City | 12 |
| AmeriHealth Caritas VIP Care (Independence Health Group, Inc.) | H8212 | HMO/HMOPOS | Chicago | * |
| AmeriHealth Caritas VIP Care (HMO-SNP) (Independence Health Group, Inc.) | H2564 | HMO/HMOPOS | Chicago | * |
| Anthem Blue Cross and Blue Shield (Elevance Health, Inc.) | H3536 | HMO/HMOPOS | Chicago | — |
| Ascension Complete (Centene Corporation) | H7512 | Local PPO | Denver | — |
| Ascension Complete (Centene Corporation) | H2853 | HMO/HMOPOS | Denver | — |
| Ascension Complete (Centene Corporation) | H8121 | Local PPO | Denver | — |
| Geisinger Gold (Risant Health, Inc.) | H9412 | Local PPO | Dallas | — |
| HealthSpring (Health Care Service Corporation) | H7389 | HMO/HMOPOS | New York | — |
| Medicare y Mucho Mas (MMM) (Elevance Health, Inc.) | H7522 | Local PPO | Chicago | — |
| Network Health Medicare Advantage Plans (Network Health, Inc.) | H5644 | HMO/HMOPOS | Boston | — |
| Provider Partners Health Plans (Rifkin Managed Care Holding, LLC) | H7275 | HMO/HMOPOS | Kansas City | — |
| Provider Partners Health Plans (Rifkin Managed Care Holding, LLC) | H8067 | HMO/HMOPOS | Dallas | — |
| Regence BlueShield of Idaho (Cambia Health Solutions, Inc.) | H1969 | HMO/HMOPOS | Kansas City | — |
| Vermont Blue Advantage (Blue Cross Blue Shield of Michigan Mutual Ins. Co.) | H6898 | Local PPO | Chicago | * |
| Vermont Blue Advantage (Blue Cross Blue Shield of Michigan Mutual Ins. Co.) | H9489 | HMO/HMOPOS | Chicago | — |
| Wellcare (Centene Corporation) | H0724 | HMO/HMOPOS | Denver | — |
| Wellcare (Centene Corporation) | H5117 | HMO/HMOPOS | Denver | — |
| Wellcare (Centene Corporation) | H9811 | HMO/HMOPOS | Denver | — |
| Wellcare (Centene Corporation) | H5190 | HMO/HMOPOS | Denver | — |
| Wellcare (Centene Corporation) | H8711 | Local PPO | Denver | — |
| Wellcare (Centene Corporation) | H2162 | HMO/HMOPOS | Denver | — |
| Wellmark Advantage Health Plan (Blue Cross Blue Shield of Michigan Mutual Ins. Co.) | H8095 | HMO/HMOPOS | Chicago | — |
| Wellpoint (Elevance Health, Inc.) | H2687 | HMO/HMOPOS | Chicago | — |