MA Enrollment Explorer / Parent organizations / Medica Holding Company
Medica Holding Company: Medicare Advantage enrollment and market share
Medica Holding Company had 269,387 Medicare Advantage members in October 2026, #18 nationally with 0.74% of all MA enrollment. It gained 95,500 members (+54.9%) since October 2025, and has enrollment in 8 states and 321 counties with 11 or more members, leading the market in 149 of them. In the 2026 Annual Election Period (December to February) it gained 85,315 members (+48.9%). For 2027, 31,004 of its members are in plans that terminate and 20,091 in plans leaving their county, and it leaves 21 counties entirely.
269KMA members, October 2026
+54.9%change since October 2025 (+95,500)
0.74%national MA share, rank 18
6contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| Minnesota | 131,610 | 19.1% |
| Wisconsin | 48,425 | 6.1% |
| South Dakota | 42,475 | 58.9% |
| North Dakota | 32,777 | 60.8% |
| Nebraska | 12,265 | 9.1% |
| Iowa | 797 | 0.3% |
| Arizona | 54 | 0.0% |
| Florida | 14 | 0.0% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Hennepin County, MN | 21,560 | +6,894 | 16.2% |
| St. Louis County, MN | 14,734 | +8,549 | 43.6% |
| Dane County, WI | 9,697 | −168 | 23.7% |
| Minnehaha County, SD | 7,808 | +3,678 | 44.4% |
| Ramsey County, MN | 7,267 | +2,228 | 11.9% |
| Anoka County, MN | 6,081 | +1,798 | 13.4% |
| Dakota County, MN | 6,056 | +1,924 | 11.6% |
| Cass County, ND | 5,886 | +2,214 | 49.0% |
| St. Croix County, WI | 5,765 | +923 | 59.9% |
| Pennington County, SD | 5,532 | +1,694 | 60.2% |
| Burleigh County, ND | 5,172 | +1,999 | 59.4% |
| Olmsted County, MN | 4,347 | +3,873 | 37.0% |
| Douglas County, WI | 3,854 | +429 | 52.3% |
| Polk County, WI | 3,724 | +536 | 55.4% |
| Washington County, MN | 3,639 | +1,239 | 10.1% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H2450 Medica | 1876 Cost | 86,856 | 77,795 | 116,972 |
| H8889 Medica | Local PPO | 50,606 | 60,970 | 112,279 |
| H2458 Medica | HMO/HMOPOS | 10,310 | 10,087 | 16,577 |
| H9096 Dean Advantage | HMO/HMOPOS | 10,511 | 10,849 | 11,576 |
| H5264 Dean Health Plan, Inc. | 1876 Cost | 12,192 | 11,134 | 10,193 |
| H6154 Medica | HMO/HMOPOS | 958 | 784 | 1,790 |
| H8019 Medica | HMO/HMOPOS | 442 | 304 | n/a |
| H9952 Medica | HMO/HMOPOS | 1,911 | 1,964 | n/a |
Star ratings for these contracts are in the MA Quality Dashboard.