Medicare Advantage in Stafford County, Virginia
7,465 people in Stafford County, Virginia were enrolled in Medicare Advantage in October 2026, 31.2% of 23,954 eligible beneficiaries (+0.6 pts since October 2025). Humana Inc. is the largest parent organization with 44% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 2,748 (highly concentrated). For 2027, 1,608 members here are in plans that terminate or leave the county. MA plans offered go from 33 to 29.
Parent organizations in Stafford County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 3,237 | +706 | 43.8% |
| UnitedHealth Group, Inc. | 1,383 | −14 | 18.7% |
| Elevance Health, Inc. | 1,213 | −132 | 16.4% |
| Kaiser Foundation Health Plan, Inc. | 885 | +105 | 12.0% |
| CVS Health Corporation | 609 | −165 | 8.2% |
| Sentara Health Care (SHC) | 54 | −43 | 0.7% |
| UMWA Health and Retirement Funds | 12 | 0 | 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, 5,937 beneficiaries in Stafford County were assigned to 82 Medicare Shared Savings Program ACOs, 54.6% of assignable Original Medicare beneficiaries. Together, roughly 69% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.