Medicare Advantage in Frederick County, Virginia
7,191 people in Frederick County, Virginia were enrolled in Medicare Advantage in October 2026, 31.9% of 22,571 eligible beneficiaries (+0.4 pts since October 2025). Humana Inc. is the largest parent organization with 47% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 3,264 (highly concentrated). For 2027, 146 members here are in plans that terminate or leave the county. MA plans offered go from 28 to 29.
Parent organizations in Frederick County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 3,362 | +961 | 47.1% |
| UnitedHealth Group, Inc. | 1,929 | −21 | 27.0% |
| Elevance Health, Inc. | 1,111 | −73 | 15.6% |
| CVS Health Corporation | 628 | −283 | 8.8% |
| Sentara Health Care (SHC) | 49 | −73 | 0.7% |
| Blue Ridge Hospice, Inc. | 40 | +24 | 0.6% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 14 | 0 | 0.2% |
| CareFirst, Inc. | 11 | 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, 7,427 beneficiaries in Frederick County were assigned to 86 Medicare Shared Savings Program ACOs, 68.3% 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.