Medicare Advantage in Jefferson County, Ohio
9,162 people in Jefferson County, Ohio were enrolled in Medicare Advantage in October 2026, 53.4% of 17,166 eligible beneficiaries (+0.7 pts since October 2025). CVS Health Corporation is the largest parent organization with 37% of reported enrollment; 11 parent organizations have 11 or more members and the HHI is 2,201 (highly concentrated). For 2027, 1,342 members here are in plans that terminate or leave the county. MA plans offered go from 45 to 40.
Parent organizations in Jefferson County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 3,359 | +371 | 36.8% |
| UnitedHealth Group, Inc. | 1,611 | −122 | 17.6% |
| Elevance Health, Inc. | 1,506 | −102 | 16.5% |
| Humana Inc. | 1,135 | +85 | 12.4% |
| Highmark Health | 911 | −46 | 10.0% |
| The Health Plan of West Virginia, Inc. | 225 | +22 | 2.5% |
| UMWA Health and Retirement Funds | 128 | −6 | 1.4% |
| Centene Corporation | 88 | −31 | 1.0% |
| UPMC Health System | 82 | +6 | 0.9% |
| CareSource | 67 | +34 | 0.7% |
| Molina Healthcare, Inc. | 19 | new | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 760 beneficiaries in Jefferson County were assigned to 39 Medicare Shared Savings Program ACOs, 12.2% of assignable Original Medicare beneficiaries. Together, roughly 59% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.