Medicare Advantage in Gallia County, Ohio
4,024 people in Gallia County, Ohio were enrolled in Medicare Advantage in October 2026, 54.0% of 7,447 eligible beneficiaries (+1.0 pts since October 2025). Humana Inc. is the largest parent organization with 28% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 2,288 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 1,179 members here are in plans that terminate or leave the county. MA plans offered go from 37 to 32.
Parent organizations in Gallia County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,097 | +167 | 27.5% |
| CVS Health Corporation | 1,067 | +141 | 26.7% |
| UnitedHealth Group, Inc. | 1,015 | +24 | 25.4% |
| Elevance Health, Inc. | 501 | −190 | 12.5% |
| UMWA Health and Retirement Funds | 130 | −3 | 3.3% |
| The Health Plan of West Virginia, Inc. | 66 | +22 | 1.7% |
| Highmark Health | 40 | −2 | 1.0% |
| Trinity Health Corporation | 33 | +19 | 0.8% |
| CareSource | 30 | new | 0.8% |
| Centene Corporation | 14 | −30 | 0.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 578 beneficiaries in Gallia County were assigned to 24 Medicare Shared Savings Program ACOs, 22.4% of assignable Original Medicare beneficiaries. Together, roughly 64% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.