Medicare Advantage in Ross County, Ohio
10,055 people in Ross County, Ohio were enrolled in Medicare Advantage in October 2026, 56.5% of 17,785 eligible beneficiaries (+0.2 pts since October 2025). Trinity Health Corporation is the largest parent organization with 25% of reported enrollment; 12 parent organizations have 11 or more members and the HHI is 1,841 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 3,124 members here are in plans that terminate or leave the county. MA plans offered go from 51 to 36.
Parent organizations in Ross County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Trinity Health Corporation | 2,469 | +737 | 24.6% |
| CVS Health Corporation | 2,083 | +556 | 20.8% |
| Humana Inc. | 1,910 | +515 | 19.0% |
| UnitedHealth Group, Inc. | 1,858 | +139 | 18.5% |
| Elevance Health, Inc. | 895 | −1,952 | 8.9% |
| Devoted Health, Inc. | 389 | +328 | 3.9% |
| The Health Plan of West Virginia, Inc. | 127 | +116 | 1.3% |
| Centene Corporation | 127 | −40 | 1.3% |
| CareSource | 104 | +60 | 1.0% |
| Molina Healthcare, Inc. | 44 | new | 0.4% |
| The Schroer Group, Inc. | 14 | +1 | 0.1% |
| Perennial Consortium, LLC | 12 | new | 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, 3,212 beneficiaries in Ross County were assigned to 32 Medicare Shared Savings Program ACOs, 58.5% of assignable Original Medicare beneficiaries. Together, roughly 82% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.