Medicare Advantage in Allen County, Indiana
50,158 people in Allen County, Indiana were enrolled in Medicare Advantage in October 2026, 64.7% of 77,550 eligible beneficiaries (−0.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 42% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 3,249 (highly concentrated). For 2027, 26 members here are in plans that terminate or leave the county. MA plans offered go from 38 to 39.
Parent organizations in Allen County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 20,770 | +1,506 | 41.5% |
| Humana Inc. | 18,120 | +4,300 | 36.2% |
| CVS Health Corporation | 6,502 | −74 | 13.0% |
| Elevance Health, Inc. | 3,095 | −4,442 | 6.2% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 560 | −340 | 1.1% |
| Centene Corporation | 417 | +192 | 0.8% |
| Rifkin Managed Care Holding, LLC | 261 | new | 0.5% |
| Aging & In-Home Services of Northeast Indiana, Inc | 169 | +35 | 0.3% |
| Mitchell Family Office | 107 | +18 | 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, 4,605 beneficiaries in Allen County were assigned to 97 Medicare Shared Savings Program ACOs, 24.0% 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.