Medicare Advantage in Miami County, Ohio
14,485 people in Miami County, Ohio were enrolled in Medicare Advantage in October 2026, 54.8% of 26,450 eligible beneficiaries (+0.2 pts since October 2025). Elevance Health, Inc. is the largest parent organization with 29% of reported enrollment; 13 parent organizations have 11 or more members and the HHI is 1,952 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 1,299 members here are in plans that terminate or leave the county. MA plans offered go from 64 to 57.
Parent organizations in Miami County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Elevance Health, Inc. | 4,148 | −2,747 | 28.8% |
| UnitedHealth Group, Inc. | 3,471 | +1,183 | 24.1% |
| CVS Health Corporation | 2,887 | +685 | 20.0% |
| Trinity Health Corporation | 1,072 | +878 | 7.4% |
| Humana Inc. | 1,057 | −128 | 7.3% |
| MEDICAL MUTUAL OF OHIO | 617 | −7 | 4.3% |
| Health Care Service Corporation | 458 | +330 | 3.2% |
| Devoted Health, Inc. | 397 | +115 | 2.8% |
| CareSource | 158 | +113 | 1.1% |
| Centene Corporation | 67 | −16 | 0.5% |
| The Schroer Group, Inc. | 62 | +9 | 0.4% |
| Molina Healthcare, Inc. | 20 | new | 0.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 13 | +1 | under 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 2,278 beneficiaries in Miami County were assigned to 47 Medicare Shared Savings Program ACOs, 26.2% of assignable Original Medicare beneficiaries. Together, roughly 67% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.