Medicare Advantage organization · contract H3979
Blue Cross and Blue Shield of Oklahoma
Legal entity: GHS HEALTH MAINTENANCE ORGANIZATION, INC.
Parent: Health Care Service Corporation
What is Blue Cross and Blue Shield of Oklahoma?
Per the CMS Medicare Advantage Plan Directory, Blue Cross and Blue Shield of Oklahoma is a Local CCP offering HMO/HMOPOS plans under CMS contract H3979 , CMS region Dallas , part of Health Care Service Corporation. CMS-reported enrollment: 3,188.
This is a directory of organizations — it does NOT show plan premiums, benefits, copays, or star ratings. To compare actual Medicare Advantage plans in your area, use medicare.gov/plan-compare. Free help: call your State Health Insurance Assistance Program (SHIP) or 1-800-MEDICARE.
What the enrollment figure means
The enrollment of 3,188 is the number as submitted by Blue Cross and Blue Shield of Oklahoma to CMS and published in the CMS MA Plan Directory. It is a CMS-directory figure — not a verified headcount of current active beneficiaries, not a quality indicator, and not a factor in star ratings. Larger enrollment does not mean better plans.
How to compare Medicare Advantage organizations
This directory lists organizations by CMS contract. To compare plans by premiums, star ratings, benefits, and availability in your county, use the official Medicare Plan Finder. Key dimensions to compare: organization type, plan type (MA-PD, PFFS, PACE), CMS region, and enrollment — all shown on this page. Star ratings (1–5) are on the star ratings page for Blue Cross and Blue Shield of Oklahoma or browse all star ratings.
CMS Directory Contact
This is the administrative directory contact as submitted to CMS — not necessarily a consumer enrollment help line.
- Name
- Customer Service
- Phone
- 1-877-895-6448
- Fax
- 1-000-000-0000
- MedicareContractsOffice@bcbstx.com
- Address
- P.O. Box 4109, Scranton, PA, 18505
- Last updated
- 09/21/2018
Frequently asked questions
What type of organization is Blue Cross and Blue Shield of Oklahoma?
Blue Cross and Blue Shield of Oklahoma (CMS contract H3979) is classified by CMS as a Local CCP offering HMO/HMOPOS plans. It is part of Health Care Service Corporation. Tax status: For Profit. This classification is verbatim from the CMS Medicare Advantage Plan Directory.
How many people are enrolled in Blue Cross and Blue Shield of Oklahoma?
The CMS Medicare Advantage Plan Directory reports enrollment of 3,188 for Blue Cross and Blue Shield of Oklahoma (contract H3979). This is the enrollment as submitted to CMS by the organization. It is a directory figure — not a count of current active members or a quality indicator.
Which CMS region does Blue Cross and Blue Shield of Oklahoma operate in?
The CMS Medicare Advantage Plan Directory lists Blue Cross and Blue Shield of Oklahoma (contract H3979) under CMS region Dallas. CMS regions are administrative divisions used for oversight — they do not directly correspond to the geographic areas where individual plans are available. To find plans available in your county, use medicare.gov/plan-compare.
Does Blue Cross and Blue Shield of Oklahoma show premiums, copays, or coverage details here?
No. This page is a directory of the organization as listed in the CMS Medicare Advantage Plan Directory — it shows who the organization is, its type, parent, and enrollment. It does NOT show individual plan premiums, deductibles, drug formularies, copays, or star ratings. To compare actual Medicare Advantage plans, premiums, and coverage available in your area, use the official Medicare Plan Finder at medicare.gov/plan-compare. For free, unbiased help, contact your State Health Insurance Assistance Program (SHIP) or call 1-800-MEDICARE (1-800-633-4227).
How do I contact Blue Cross and Blue Shield of Oklahoma?
The CMS MA Plan Directory lists Customer Service as the directory contact for Blue Cross and Blue Shield of Oklahoma (contract H3979): 1-877-895-6448, MedicareContractsOffice@bcbstx.com. This is the administrative CMS-directory contact, not necessarily a consumer help line. For Medicare enrollment assistance, call 1-800-MEDICARE or contact your SHIP.
What to do next
- Compare plans and enroll: medicare.gov/plan-compare — the official Medicare Plan Finder. Compare premiums, benefits, drug coverage, and star ratings for plans available in your ZIP code.
- Free unbiased help: contact your State Health Insurance Assistance Program (SHIP) — a free counseling service — or call 1-800-MEDICARE (1-800-633-4227), 24 hours a day, 7 days a week.
- Official CMS directory: CMS MA Plan Directory — the source of this data (monthly release).
RECORDED — all figures on this page are verbatim from the CMS Medicare Advantage Plan Directory: organization name, type, plan type, parent, region, enrollment, and contact. Accuracy depends on carrier submissions to CMS, not Atlas Commons modeling.
This directory entry informs — it does not rank, recommend, or show plan benefits or premiums. Data generated June 24, 2026.
Machine-readable: JSON-LD · Markdown · Source: CMS Medicare Advantage