Medicare Plans in Colorado
65 counties with Medicare Advantage and Part D plans for CY2026. Select a county to see available plans, premiums, and CMS star ratings.
To compare plans with your specific drugs and providers and to enroll, use
medicare.gov/plan-compare
. Free help: 1-800-MEDICARE or your SHIP.
Adams 71 plans Alamosa 14 plans All Counties 10 plans Arapahoe 68 plans Archuleta 18 plans Baca 2 plans Bent 22 plans Boulder 69 plans Broomfield 67 plans Chaffee 20 plans Cheyenne 4 plans Clear Creek 58 plans Conejos 29 plans Costilla 23 plans Crowley 34 plans Custer 33 plans Delta 31 plans Denver 71 plans Dolores 11 plans Douglas 70 plans Eagle 4 plans El Paso 56 plans Elbert 53 plans Fremont 52 plans Garfield 2 plans Gilpin 48 plans Grand 35 plans Gunnison 17 plans Hinsdale 17 plans Huerfano 33 plans Jackson 31 plans Jefferson 72 plans Kiowa 4 plans Kit Carson 4 plans La Plata 20 plans Lake 14 plans Larimer 57 plans Las Animas 25 plans Lincoln 31 plans Logan 14 plans Mesa 33 plans Mineral 17 plans Moffat 2 plans Montezuma 9 plans Montrose 19 plans Morgan 28 plans Otero 12 plans Ouray 17 plans Park 46 plans Phillips 6 plans Pitkin 8 plans Prowers 4 plans Pueblo 57 plans Rio Blanco 11 plans Rio Grande 9 plans Routt 4 plans Saguache 26 plans San Juan 17 plans San Miguel 11 plans Sedgwick 4 plans Summit 12 plans Teller 56 plans Washington 34 plans Weld 60 plans Yuma 6 plans