Medicare Advantage in Middlesex County, Virginia
1,534 people in Middlesex County, Virginia were enrolled in Medicare Advantage in October 2026, 37.0% of 4,149 eligible beneficiaries (+0.5 pts since October 2025). Humana Inc. is the largest parent organization with 38% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 2,787 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 12 members here are in plans that terminate or leave the county. MA plans offered go from 31 to 32.
Parent organizations in Middlesex County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 565 | +165 | 37.6% |
| Elevance Health, Inc. | 433 | −66 | 28.8% |
| UnitedHealth Group, Inc. | 274 | −7 | 18.2% |
| CVS Health Corporation | 216 | +33 | 14.4% |
| Curana Health Holdings, LLC | 14 | new | 0.9% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 904 beneficiaries in Middlesex County were assigned to 23 Medicare Shared Savings Program ACOs, 43.7% of assignable Original Medicare beneficiaries. Together, roughly 65% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.