MA Enrollment Explorer / Parent organizations / CVS Health Corporation
CVS Health Corporation: Medicare Advantage enrollment and market share
CVS Health Corporation had 4,175,687 Medicare Advantage members in October 2026, #3 nationally with 11.5% of all MA enrollment. It lost 49,524 members (−1.2%) since October 2025, and has enrollment in 53 states and 2,686 counties with 11 or more members, leading the market in 266 of them. In the 2026 Annual Election Period (December to February) it lost 130,713 members (−3.1%). For 2027, 220,918 of its members are in plans that terminate and 90,371 in plans leaving their county, and it leaves 112 counties entirely.
4.18MMA members, October 2026
−1.2%change since October 2025 (−49,524)
11.5%national MA share, rank 3
42contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| Pennsylvania | 446,107 | 26.9% |
| New York | 405,400 | 18.6% |
| Illinois | 345,938 | 31.6% |
| Ohio | 328,179 | 21.9% |
| Florida | 267,132 | 8.7% |
| New Jersey | 233,704 | 30.5% |
| Texas | 202,485 | 7.3% |
| Georgia | 201,783 | 17.6% |
| Connecticut | 193,276 | 43.3% |
| North Carolina | 146,892 | 10.9% |
| Missouri | 121,447 | 16.2% |
| Michigan | 104,381 | 7.0% |
| California | 100,044 | 2.7% |
| Iowa | 81,245 | 30.6% |
| South Carolina | 80,452 | 13.3% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Cook County, IL | 82,500 | −2,226 | 20.5% |
| Hartford County, CT | 51,592 | +15,034 | 41.4% |
| New Haven County, CT | 50,694 | +14,016 | 45.0% |
| Harris County, TX | 47,955 | −6,461 | 11.7% |
| Allegheny County, PA | 45,588 | −1,467 | 23.4% |
| Kings County, NY | 43,418 | +5,149 | 18.1% |
| Suffolk County, NY | 43,248 | +9,741 | 42.8% |
| Queens County, NY | 39,245 | +6,269 | 15.1% |
| Philadelphia County, PA | 38,131 | −1,378 | 23.5% |
| Franklin County, OH | 34,419 | +1,416 | 29.0% |
| Nassau County, NY | 33,502 | +7,538 | 32.8% |
| Fairfield County, CT | 30,284 | +11,560 | 37.7% |
| King County, WA | 28,369 | −2,176 | 14.3% |
| Clark County, NV | 26,507 | −1,959 | 10.8% |
| Westchester County, NY | 26,136 | +3,166 | 33.5% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H5522 Aetna Medicare | Local PPO | 1,413,625 | 1,425,592 | 1,452,261 |
| H5521 Aetna Medicare | Local PPO | 1,088,376 | 1,106,362 | 1,040,762 |
| H3959 Aetna Medicare | HMO/HMOPOS | 237,027 | 210,942 | 205,661 |
| H0628 Aetna Medicare | HMO/HMOPOS | 105,022 | 92,989 | 134,684 |
| H1609 Aetna Medicare | HMO/HMOPOS | 154,165 | 132,181 | 120,953 |
| H1608 Aetna Medicare | Local PPO | 150,206 | 147,759 | 118,298 |
| H2663 Aetna Medicare | HMO/HMOPOS | 120,686 | 128,213 | 115,285 |
| H2293 Aetna Medicare | Local PPO | 144,068 | 136,319 | 115,246 |
| H3312 Aetna Medicare | HMO/HMOPOS | 92,703 | 82,613 | 104,695 |
| H7301 Aetna Medicare | Local PPO | 104,422 | 94,995 | 97,677 |
| H3931 Aetna Medicare | HMO/HMOPOS | 114,744 | 109,863 | 71,099 |
| H3288 Aetna Medicare | Local PPO | 76,081 | 66,493 | 68,273 |
| H5793 Aetna Medicare | HMO/HMOPOS | 24,979 | 33,002 | 62,886 |
| H3146 Aetna Medicare | HMO/HMOPOS | 69,475 | 61,815 | 57,553 |
| H3239 Aetna Medicare | HMO/HMOPOS | 37,796 | 37,818 | 53,741 |
| H5302 Aetna Medicare | HMO/HMOPOS | 14,046 | 23,940 | 44,894 |
| H4523 Aetna Medicare | HMO/HMOPOS | 14,887 | 32,228 | 39,162 |
| H3152 Aetna Medicare | HMO/HMOPOS | 28,273 | 26,766 | 30,573 |
| H3192 Aetna Medicare | HMO/HMOPOS | 53,717 | 39,493 | 28,797 |
| H9771 Aetna Medicare FIDE | HMO/HMOPOS | n/a | n/a | 27,889 |
| H3597 Aetna Medicare | HMO/HMOPOS | 23,032 | 22,701 | 22,707 |
| H1692 Aetna Medicare | HMO/HMOPOS | 26,949 | 20,918 | 21,690 |
| H5325 Aetna Medicare | HMO/HMOPOS | 40,208 | 21,883 | 18,878 |
| H9314 Aetna Medicare HIDE | HMO/HMOPOS | n/a | n/a | 16,625 |
| H8597 Aetna Medicare | HMO/HMOPOS | 39,606 | 18,184 | 13,684 |
Star ratings for these contracts are in the MA Quality Dashboard.