Medicare Advantage in Fairfield County, Ohio
19,630 people in Fairfield County, Ohio were enrolled in Medicare Advantage in October 2026, 57.9% of 33,932 eligible beneficiaries (−0.6 pts since October 2025). CVS Health Corporation is the largest parent organization with 27% of reported enrollment; 16 parent organizations have 11 or more members and the HHI is 1,947 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 1,777 members here are in plans that terminate or leave the county. MA plans offered go from 61 to 53.
Parent organizations in Fairfield County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 5,282 | +834 | 27.0% |
| Trinity Health Corporation | 4,959 | +253 | 25.3% |
| Humana Inc. | 3,329 | +368 | 17.0% |
| UnitedHealth Group, Inc. | 2,637 | −49 | 13.5% |
| Elevance Health, Inc. | 1,903 | −1,183 | 9.7% |
| MEDICAL MUTUAL OF OHIO | 648 | −206 | 3.3% |
| Devoted Health, Inc. | 276 | +129 | 1.4% |
| CareSource | 193 | +114 | 1.0% |
| Molina Healthcare, Inc. | 135 | +115 | 0.7% |
| Centene Corporation | 85 | −33 | 0.4% |
| The Health Plan of West Virginia, Inc. | 48 | +32 | 0.2% |
| The Schroer Group, Inc. | 33 | +1 | 0.2% |
| Highmark Health | 21 | +1 | 0.1% |
| UMWA Health and Retirement Funds | 16 | −3 | under 0.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 12 | −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, 2,760 beneficiaries in Fairfield County were assigned to 57 Medicare Shared Savings Program ACOs, 28.0% of assignable Original Medicare beneficiaries. Together, roughly 70% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.