Medicare Advantage in Dinwiddie County, Virginia
2,735 people in Dinwiddie County, Virginia were enrolled in Medicare Advantage in October 2026, 40.3% of 6,795 eligible beneficiaries (+0.5 pts since October 2025). Humana Inc. is the largest parent organization with 54% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,537 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 969 members here are in plans that terminate or leave the county. MA plans offered go from 37 to 30.
Parent organizations in Dinwiddie County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,444 | +280 | 53.6% |
| Elevance Health, Inc. | 556 | −129 | 20.6% |
| UnitedHealth Group, Inc. | 350 | −12 | 13.0% |
| CVS Health Corporation | 215 | −10 | 8.0% |
| Health Care Service Corporation | 60 | +10 | 2.2% |
| Sentara Health Care (SHC) | 37 | −62 | 1.4% |
| Devoted Health, Inc. | 33 | new | 1.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,610 beneficiaries in Dinwiddie County were assigned to 19 Medicare Shared Savings Program ACOs, 58.4% of assignable Original Medicare beneficiaries. Together, roughly 75% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.