Medicare Advantage in Buchanan County, Virginia
4,195 people in Buchanan County, Virginia were enrolled in Medicare Advantage in October 2026, 65.3% of 6,427 eligible beneficiaries (+1.2 pts since October 2025). Humana Inc. is the largest parent organization with 42% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,043 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 71 members here are in plans that terminate or leave the county. MA plans offered go from 24 to 25.
Parent organizations in Buchanan County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,753 | +16 | 42.2% |
| UnitedHealth Group, Inc. | 1,307 | +62 | 31.5% |
| CVS Health Corporation | 620 | −65 | 14.9% |
| Elevance Health, Inc. | 262 | 0 | 6.3% |
| UMWA Health and Retirement Funds | 120 | −12 | 2.9% |
| Sentara Health Care (SHC) | 69 | −5 | 1.7% |
| Appalachian Agency for Senior Citizens, Inc. | 24 | 0 | 0.6% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 503 beneficiaries in Buchanan County were assigned to 18 Medicare Shared Savings Program ACOs, 27.9% of assignable Original Medicare beneficiaries. Together, roughly 75% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.