Medicare Advantage in Spencer County, Kentucky
2,214 people in Spencer County, Kentucky were enrolled in Medicare Advantage in October 2026, 49.3% of 4,493 eligible beneficiaries (−0.7 pts since October 2025). Humana Inc. is the largest parent organization with 56% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 3,679 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 44 members here are in plans that terminate or leave the county. MA plans offered go from 38 to 36.
Parent organizations in Spencer County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,213 | +337 | 56.1% |
| Elevance Health, Inc. | 407 | −135 | 18.8% |
| UnitedHealth Group, Inc. | 248 | −154 | 11.5% |
| CVS Health Corporation | 108 | −46 | 5.0% |
| Centene Corporation | 69 | −32 | 3.2% |
| Devoted Health, Inc. | 60 | +48 | 2.8% |
| BrightSpring Health Services, Inc. | 28 | +5 | 1.3% |
| Lumeris Group Holdings Corporation | 17 | new | 0.8% |
| Molina Healthcare, Inc. | 12 | +1 | 0.6% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 460 beneficiaries in Spencer County were assigned to 21 Medicare Shared Savings Program ACOs, 30.8% of assignable Original Medicare beneficiaries. Together, roughly 65% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.