Medicare Advantage in Madison County, Kentucky
11,579 people in Madison County, Kentucky were enrolled in Medicare Advantage in October 2026, 59.4% of 19,499 eligible beneficiaries (+0.2 pts since October 2025). Humana Inc. is the largest parent organization with 53% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 3,437 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 499 members here are in plans that terminate or leave the county. MA plans offered go from 35 to 32.
Parent organizations in Madison County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 6,103 | +2,290 | 52.9% |
| Elevance Health, Inc. | 2,130 | −867 | 18.5% |
| CVS Health Corporation | 1,560 | +157 | 13.5% |
| UnitedHealth Group, Inc. | 1,073 | −1,266 | 9.3% |
| Centene Corporation | 566 | −4 | 4.9% |
| American Health Management, Inc. | 43 | +6 | 0.4% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 29 | −1 | 0.3% |
| UMWA Health and Retirement Funds | 26 | +1 | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 3,301 beneficiaries in Madison County were assigned to 45 Medicare Shared Savings Program ACOs, 57.8% of assignable Original Medicare beneficiaries. Together, roughly 83% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.