Medicare Advantage in Oldham County, Kentucky
5,167 people in Oldham County, Kentucky were enrolled in Medicare Advantage in October 2026, 39.9% of 12,940 eligible beneficiaries (−0.7 pts since October 2025). Humana Inc. is the largest parent organization with 51% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 3,375 (highly concentrated). For 2027, 350 members here are in plans that terminate or leave the county. MA plans offered go from 33 to 31.
Parent organizations in Oldham County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 2,606 | +870 | 50.7% |
| Elevance Health, Inc. | 1,243 | −216 | 24.2% |
| UnitedHealth Group, Inc. | 627 | −509 | 12.2% |
| CVS Health Corporation | 421 | −60 | 8.2% |
| Centene Corporation | 116 | −2 | 2.3% |
| Lumeris Group Holdings Corporation | 99 | +28 | 1.9% |
| Molina Healthcare, Inc. | 21 | +6 | 0.4% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 11 | −4 | 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, 2,022 beneficiaries in Oldham County were assigned to 47 Medicare Shared Savings Program ACOs, 39.5% 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.