MA Enrollment Explorer / Parent organizations / MEDICAL MUTUAL OF OHIO
MEDICAL MUTUAL OF OHIO: Medicare Advantage enrollment and market share
MEDICAL MUTUAL OF OHIO had 90,558 Medicare Advantage members in October 2026, #34 nationally with 0.25% of all MA enrollment. It lost 14,641 members (−13.9%) since October 2025, and has enrollment in 2 states and 45 counties with 11 or more members, leading the market in 1 of them. In the 2026 Annual Election Period (December to February) it lost 15,148 members (−14.4%). For 2027, 4,115 of its members are in plans that terminate and 2,811 in plans leaving their county, and it leaves 4 counties entirely.
91KMA members, October 2026
−13.9%change since October 2025 (−14,641)
0.25%national MA share, rank 34
4contracts with enrollment
Largest states
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Cuyahoga County, OH | 16,273 | +701 | 10.0% |
| Lucas County, OH | 11,694 | +227 | 21.2% |
| Lorain County, OH | 5,503 | +374 | 12.0% |
| Summit County, OH | 5,170 | +222 | 6.3% |
| Stark County, OH | 4,926 | +316 | 7.6% |
| Lake County, OH | 4,342 | +280 | 12.8% |
| Mahoning County, OH | 3,489 | +315 | 8.8% |
| Medina County, OH | 3,331 | +356 | 13.2% |
| Franklin County, OH | 3,210 | −1,295 | 2.7% |
| Trumbull County, OH | 2,938 | +294 | 8.6% |
| Wood County, OH | 2,858 | +51 | 19.5% |
| Monroe County, MI | 2,270 | +35 | 9.6% |
| Wayne County, OH | 2,105 | +311 | 14.2% |
| Portage County, OH | 1,948 | +71 | 8.1% |
| Ottawa County, OH | 1,774 | +430 | 25.9% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H6723 Medical Mutual of Ohio | HMO/HMOPOS | 34,774 | 70,711 | 60,935 |
| H3653 Paramount Elite Medicare Plans | HMO/HMOPOS | 14,364 | 17,150 | 15,192 |
| H4497 Medical Mutual of Ohio | Local PPO | 10,772 | 15,158 | 12,269 |
| H5232 Paramount Elite Medicare Plans | Local PPO | 280 | 2,180 | 2,162 |
| H5373 Paramount Elite Medicare Plans | HMO/HMOPOS | 14 | n/a | n/a |
Star ratings for these contracts are in the MA Quality Dashboard.