Medicare Advantage in Grayson County, Kentucky
3,846 people in Grayson County, Kentucky were enrolled in Medicare Advantage in October 2026, 55.4% of 6,944 eligible beneficiaries (+1.1 pts since October 2025). Humana Inc. is the largest parent organization with 51% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,276 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 271 members here are in plans that terminate or leave the county. MA plans offered go from 35 to 31.
Parent organizations in Grayson County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,946 | +545 | 51.1% |
| Elevance Health, Inc. | 690 | −265 | 18.1% |
| UnitedHealth Group, Inc. | 560 | −176 | 14.7% |
| Centene Corporation | 344 | +65 | 9.0% |
| CVS Health Corporation | 239 | −65 | 6.3% |
| Molina Healthcare, Inc. | 30 | −3 | 0.8% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,156 beneficiaries in Grayson County were assigned to 22 Medicare Shared Savings Program ACOs, 51.7% of assignable Original Medicare beneficiaries. Together, roughly 78% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.