Medicare Advantage in York County, Virginia
4,120 people in York County, Virginia were enrolled in Medicare Advantage in October 2026, 26.1% of 15,779 eligible beneficiaries (+0.7 pts since October 2025). Humana Inc. is the largest parent organization with 42% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 3,058 (highly concentrated). For 2027, 32 members here are in plans that terminate or leave the county. MA plans offered go from 36 to 38.
Parent organizations in York County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,720 | +634 | 42.3% |
| UnitedHealth Group, Inc. | 1,189 | +174 | 29.2% |
| Elevance Health, Inc. | 731 | −215 | 18.0% |
| CVS Health Corporation | 400 | −3 | 9.8% |
| Sentara Health Care (SHC) | 31 | −325 | 0.8% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 3,719 beneficiaries in York County were assigned to 60 Medicare Shared Savings Program ACOs, 44.0% 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.