Medicare Advantage in Martin County, Kentucky
1,792 people in Martin County, Kentucky were enrolled in Medicare Advantage in October 2026, 68.1% of 2,631 eligible beneficiaries (+1.0 pts since October 2025). Humana Inc. is the largest parent organization with 45% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 2,674 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 164 members here are in plans that terminate or leave the county. MA plans offered go from 37 to 35.
Parent organizations in Martin County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 796 | +138 | 45.3% |
| UnitedHealth Group, Inc. | 251 | −118 | 14.3% |
| Elevance Health, Inc. | 225 | −110 | 12.8% |
| CVS Health Corporation | 196 | +56 | 11.1% |
| Centene Corporation | 184 | +4 | 10.5% |
| UMWA Health and Retirement Funds | 87 | −2 | 4.9% |
| Devoted Health, Inc. | 20 | new | 1.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 213 beneficiaries in Martin County were assigned to 8 Medicare Shared Savings Program ACOs, 28.6% of assignable Original Medicare beneficiaries. Together, roughly 77% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.