Medicare Advantage in Estill County, Kentucky
2,397 people in Estill County, Kentucky were enrolled in Medicare Advantage in October 2026, 64.7% of 3,707 eligible beneficiaries (+1.4 pts since October 2025). Humana Inc. is the largest parent organization with 51% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 3,496 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 493 members here are in plans that terminate or leave the county. MA plans offered go from 27 to 25.
Parent organizations in Estill County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,209 | +232 | 51.3% |
| Elevance Health, Inc. | 572 | −77 | 24.3% |
| UnitedHealth Group, Inc. | 340 | −142 | 14.4% |
| Centene Corporation | 188 | −4 | 8.0% |
| Devoted Health, Inc. | 48 | new | 2.0% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 482 beneficiaries in Estill County were assigned to 14 Medicare Shared Savings Program ACOs, 45.1% of assignable Original Medicare beneficiaries. Together, roughly 81% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.