Medicare Advantage in Poquoson City, Virginia
761 people in Poquoson City, Virginia were enrolled in Medicare Advantage in October 2026, 25.4% of 2,995 eligible beneficiaries (+0.4 pts since October 2025). Humana Inc. is the largest parent organization with 43% of reported enrollment; 4 parent organizations have 11 or more members and the HHI is 3,166 (highly concentrated). For 2027, 31 members here are in plans that terminate or leave the county. MA plans offered go from 34 to 31.
Parent organizations in Poquoson City
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 305 | +127 | 42.7% |
| UnitedHealth Group, Inc. | 228 | +37 | 31.9% |
| CVS Health Corporation | 92 | +8 | 12.9% |
| Elevance Health, Inc. | 89 | −71 | 12.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 837 beneficiaries in Poquoson City were assigned to 20 Medicare Shared Savings Program ACOs, 49.0% of assignable Original Medicare beneficiaries. Together, roughly 62% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.