Medicare Advantage in Greene County, Indiana
3,521 people in Greene County, Indiana were enrolled in Medicare Advantage in October 2026, 43.6% of 8,081 eligible beneficiaries (+0.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 34% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,566 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 301 members here are in plans that terminate or leave the county. MA plans offered go from 40 to 33.
Parent organizations in Greene County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,173 | +83 | 33.5% |
| Humana Inc. | 1,131 | +245 | 32.3% |
| Elevance Health, Inc. | 637 | −374 | 18.2% |
| UMWA Health and Retirement Funds | 210 | −12 | 6.0% |
| CVS Health Corporation | 141 | −7 | 4.0% |
| Centene Corporation | 134 | +59 | 3.8% |
| SIHO Holding, Inc. | 44 | new | 1.3% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 31 | +2 | 0.9% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 431 beneficiaries in Greene County were assigned to 26 Medicare Shared Savings Program ACOs, 11.9% of assignable Original Medicare beneficiaries. Together, roughly 50% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.