Medicare Advantage in Louisa County, Virginia
4,070 people in Louisa County, Virginia were enrolled in Medicare Advantage in October 2026, 37.7% of 10,796 eligible beneficiaries (−0.02 pts since October 2025). Humana Inc. is the largest parent organization with 49% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,310 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 125 members here are in plans that terminate or leave the county. MA plans offered go from 28 to 28.
Parent organizations in Louisa County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,978 | +375 | 49.2% |
| Elevance Health, Inc. | 915 | +24 | 22.7% |
| UnitedHealth Group, Inc. | 686 | −17 | 17.1% |
| CVS Health Corporation | 359 | −69 | 8.9% |
| Sentara Health Care (SHC) | 66 | −161 | 1.6% |
| Total Community Options, Inc. | 18 | +5 | 0.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,749 beneficiaries in Louisa County were assigned to 49 Medicare Shared Savings Program ACOs, 37.5% of assignable Original Medicare beneficiaries. Together, roughly 61% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.