Medicare Advantage in Warren County, Indiana
802 people in Warren County, Indiana were enrolled in Medicare Advantage in October 2026, 37.2% of 2,156 eligible beneficiaries (−1.1 pts since October 2025). Humana Inc. is the largest parent organization with 39% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,154 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 14 members here are in plans that terminate or leave the county. MA plans offered go from 35 to 29.
Parent organizations in Warren County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 297 | +89 | 38.6% |
| UnitedHealth Group, Inc. | 292 | +4 | 38.0% |
| Elevance Health, Inc. | 106 | −62 | 13.8% |
| CVS Health Corporation | 25 | −44 | 3.3% |
| Devoted Health, Inc. | 25 | new | 3.3% |
| Centene Corporation | 24 | new | 3.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 580 beneficiaries in Warren County were assigned to 13 Medicare Shared Savings Program ACOs, 57.0% of assignable Original Medicare beneficiaries. Together, roughly 73% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.