Medicare Advantage in Columbiana County, Ohio
16,677 people in Columbiana County, Ohio were enrolled in Medicare Advantage in October 2026, 61.6% of 27,052 eligible beneficiaries (−0.5 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 25% of reported enrollment; 14 parent organizations have 11 or more members and the HHI is 1,728 (moderately concentrated). HRSA classifies the county as fully rural. For 2027, 1,841 members here are in plans that terminate or leave the county. MA plans offered go from 69 to 62.
Parent organizations in Columbiana County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 4,105 | −531 | 24.7% |
| CVS Health Corporation | 4,054 | +361 | 24.4% |
| Elevance Health, Inc. | 2,876 | −807 | 17.3% |
| MEDICAL MUTUAL OF OHIO | 1,519 | +177 | 9.2% |
| Humana Inc. | 1,518 | +200 | 9.1% |
| Devoted Health, Inc. | 781 | +333 | 4.7% |
| CareSource | 757 | +228 | 4.6% |
| General Catalyst Group Management Holdings LP | 401 | +203 | 2.4% |
| Highmark Health | 241 | +5 | 1.5% |
| Aultman Health Foundation | 176 | +4 | 1.1% |
| Centene Corporation | 85 | −49 | 0.5% |
| The Schroer Group, Inc. | 51 | +2 | 0.3% |
| Molina Healthcare, Inc. | 23 | new | 0.1% |
| The Health Plan of West Virginia, Inc. | 11 | new | 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, 3,283 beneficiaries in Columbiana County were assigned to 41 Medicare Shared Savings Program ACOs, 41.4% of assignable Original Medicare beneficiaries. Together, roughly 78% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.