Medicare Advantage in Carter County, Kentucky
4,504 people in Carter County, Kentucky were enrolled in Medicare Advantage in October 2026, 65.2% of 6,906 eligible beneficiaries (+0.7 pts since October 2025). Humana Inc. is the largest parent organization with 36% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 2,280 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 337 members here are in plans that terminate or leave the county. MA plans offered go from 35 to 33.
Parent organizations in Carter County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,626 | +389 | 36.3% |
| UnitedHealth Group, Inc. | 839 | −197 | 18.7% |
| CVS Health Corporation | 770 | +38 | 17.2% |
| Elevance Health, Inc. | 635 | −265 | 14.2% |
| Centene Corporation | 482 | +40 | 10.7% |
| Devoted Health, Inc. | 88 | +58 | 2.0% |
| C & O Employees' Hospital Association | 22 | +2 | 0.5% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 11 | new | 0.2% |
| Highmark Health | 11 | 0 | 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, 60 beneficiaries in Carter County were assigned to 17 Medicare Shared Savings Program ACOs, 3.5% of assignable Original Medicare beneficiaries. Together, roughly 66% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.