Medicare Advantage in Portsmouth City, Virginia
10,082 people in Portsmouth City, Virginia were enrolled in Medicare Advantage in October 2026, 52.1% of 19,343 eligible beneficiaries (+0.8 pts since October 2025). Humana Inc. is the largest parent organization with 35% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 2,842 (highly concentrated). For 2027, 171 members here are in plans that terminate or leave the county. MA plans offered go from 40 to 42.
Parent organizations in Portsmouth City
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 3,507 | +1,068 | 34.9% |
| Elevance Health, Inc. | 2,959 | −161 | 29.5% |
| UnitedHealth Group, Inc. | 2,669 | +478 | 26.6% |
| CVS Health Corporation | 576 | −82 | 5.7% |
| Sentara Health Care (SHC) | 324 | −962 | 3.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 3,607 beneficiaries in Portsmouth City were assigned to 37 Medicare Shared Savings Program ACOs, 53.6% 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.