Medicare Advantage in Clark County, Ohio
19,691 people in Clark County, Ohio were enrolled in Medicare Advantage in October 2026, 60.7% of 32,456 eligible beneficiaries (−0.2 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 36% of reported enrollment; 14 parent organizations have 11 or more members and the HHI is 2,061 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 2,267 members here are in plans that terminate or leave the county. MA plans offered go from 65 to 57.
Parent organizations in Clark County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 7,125 | +3,081 | 36.3% |
| CVS Health Corporation | 3,722 | +711 | 19.0% |
| Elevance Health, Inc. | 2,347 | −1,179 | 12.0% |
| Trinity Health Corporation | 2,217 | +555 | 11.3% |
| Humana Inc. | 1,846 | −2,872 | 9.4% |
| Centene Corporation | 476 | −181 | 2.4% |
| Molina Healthcare, Inc. | 452 | −55 | 2.3% |
| Devoted Health, Inc. | 449 | +108 | 2.3% |
| MEDICAL MUTUAL OF OHIO | 315 | −167 | 1.6% |
| Health Care Service Corporation | 314 | +185 | 1.6% |
| CareSource | 229 | +99 | 1.2% |
| SNP Holdings, LLC | 86 | −1 | 0.4% |
| The Schroer Group, Inc. | 30 | −3 | 0.2% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 12 | 0 | 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, 4,334 beneficiaries in Clark County were assigned to 46 Medicare Shared Savings Program ACOs, 49.0% of assignable Original Medicare beneficiaries. Together, roughly 80% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.