Medicare Advantage in Southampton County, Virginia
1,721 people in Southampton County, Virginia were enrolled in Medicare Advantage in October 2026, 36.2% of 4,752 eligible beneficiaries (+0.7 pts since October 2025). Humana Inc. is the largest parent organization with 47% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,093 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 28 members here are in plans that terminate or leave the county. MA plans offered go from 33 to 35.
Parent organizations in Southampton County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 797 | +339 | 47.0% |
| Elevance Health, Inc. | 393 | −204 | 23.2% |
| UnitedHealth Group, Inc. | 262 | +17 | 15.4% |
| CVS Health Corporation | 173 | +39 | 10.2% |
| Sentara Health Care (SHC) | 40 | −159 | 2.4% |
| Devoted Health, Inc. | 32 | new | 1.9% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,318 beneficiaries in Southampton County were assigned to 24 Medicare Shared Savings Program ACOs, 61.8% of assignable Original Medicare beneficiaries. Together, roughly 76% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.