Medicare Advantage in Guernsey County, Ohio
5,407 people in Guernsey County, Ohio were enrolled in Medicare Advantage in October 2026, 55.2% of 9,801 eligible beneficiaries (+0.5 pts since October 2025). CVS Health Corporation is the largest parent organization with 49% of reported enrollment; 13 parent organizations have 11 or more members and the HHI is 2,977 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 1,076 members here are in plans that terminate or leave the county. MA plans offered go from 47 to 39.
Parent organizations in Guernsey County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 2,640 | +443 | 48.9% |
| UnitedHealth Group, Inc. | 1,008 | +14 | 18.7% |
| Elevance Health, Inc. | 590 | −117 | 10.9% |
| Humana Inc. | 512 | −153 | 9.5% |
| Trinity Health Corporation | 141 | +69 | 2.6% |
| UMWA Health and Retirement Funds | 123 | −11 | 2.3% |
| The Health Plan of West Virginia, Inc. | 121 | +13 | 2.2% |
| Devoted Health, Inc. | 88 | +42 | 1.6% |
| CareSource | 59 | +33 | 1.1% |
| Centene Corporation | 52 | −32 | 1.0% |
| The Schroer Group, Inc. | 36 | +3 | 0.7% |
| Molina Healthcare, Inc. | 12 | new | 0.2% |
| Highmark Health | 12 | 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, 475 beneficiaries in Guernsey County were assigned to 26 Medicare Shared Savings Program ACOs, 12.6% of assignable Original Medicare beneficiaries. Together, roughly 61% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.