Medicare Advantage in Harrison County, Kentucky
2,565 people in Harrison County, Kentucky were enrolled in Medicare Advantage in October 2026, 53.3% of 4,809 eligible beneficiaries (+0.5 pts since October 2025). Humana Inc. is the largest parent organization with 59% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,952 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 528 members here are in plans that terminate or leave the county. MA plans offered go from 34 to 32.
Parent organizations in Harrison County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,508 | +350 | 59.4% |
| Elevance Health, Inc. | 328 | −151 | 12.9% |
| UnitedHealth Group, Inc. | 311 | −155 | 12.3% |
| CVS Health Corporation | 223 | −2 | 8.8% |
| Centene Corporation | 109 | +6 | 4.3% |
| Devoted Health, Inc. | 58 | +27 | 2.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 629 beneficiaries in Harrison County were assigned to 21 Medicare Shared Savings Program ACOs, 39.4% of assignable Original Medicare beneficiaries. Together, roughly 72% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.