Medicare Advantage in Rockcastle County, Kentucky
2,575 people in Rockcastle County, Kentucky were enrolled in Medicare Advantage in October 2026, 59.7% of 4,310 eligible beneficiaries (+0.9 pts since October 2025). Humana Inc. is the largest parent organization with 47% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,001 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 249 members here are in plans that terminate or leave the county. MA plans offered go from 36 to 34.
Parent organizations in Rockcastle County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,201 | +347 | 47.1% |
| Elevance Health, Inc. | 459 | −185 | 18.0% |
| Centene Corporation | 386 | −2 | 15.1% |
| UnitedHealth Group, Inc. | 380 | −196 | 14.9% |
| CVS Health Corporation | 84 | +68 | 3.3% |
| Devoted Health, Inc. | 25 | new | 1.0% |
| BrightSpring Health Services, Inc. | 17 | +4 | 0.7% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 136 beneficiaries in Rockcastle County were assigned to 12 Medicare Shared Savings Program ACOs, 10.6% of assignable Original Medicare beneficiaries. Together, roughly 64% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.