Medicare Advantage in Mercer County, Kentucky
3,493 people in Mercer County, Kentucky were enrolled in Medicare Advantage in October 2026, 59.0% of 5,917 eligible beneficiaries (+1.0 pts since October 2025). Humana Inc. is the largest parent organization with 57% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,857 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 183 members here are in plans that terminate or leave the county. MA plans offered go from 32 to 29.
Parent organizations in Mercer County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,967 | +482 | 56.8% |
| UnitedHealth Group, Inc. | 600 | −234 | 17.3% |
| Elevance Health, Inc. | 557 | −157 | 16.1% |
| Centene Corporation | 306 | +42 | 8.8% |
| CVS Health Corporation | 19 | −1 | 0.5% |
| BrightSpring Health Services, Inc. | 17 | −3 | 0.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 344 beneficiaries in Mercer County were assigned to 20 Medicare Shared Savings Program ACOs, 19.7% of assignable Original Medicare beneficiaries. Together, roughly 67% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.