Medicare Advantage in Monroe County, Indiana
9,981 people in Monroe County, Indiana were enrolled in Medicare Advantage in October 2026, 41.6% of 23,993 eligible beneficiaries (−0.1 pts since October 2025). Humana Inc. is the largest parent organization with 33% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 2,839 (highly concentrated). For 2027, 1,992 members here are in plans that terminate or leave the county. MA plans offered go from 36 to 29.
Parent organizations in Monroe County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 3,293 | +839 | 33.2% |
| UnitedHealth Group, Inc. | 3,068 | +134 | 30.9% |
| Elevance Health, Inc. | 2,751 | −995 | 27.7% |
| Centene Corporation | 320 | +219 | 3.2% |
| CVS Health Corporation | 228 | −44 | 2.3% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 98 | −1 | 1.0% |
| Rifkin Managed Care Holding, LLC | 98 | +9 | 1.0% |
| Mitchell Family Office | 62 | +18 | 0.6% |
| Health Care Service Corporation | 14 | −1 | 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 364 beneficiaries in Monroe County were assigned to 58 Medicare Shared Savings Program ACOs, 3.6% of assignable Original Medicare beneficiaries. Together, roughly 44% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.