Medicare Advantage in Miami County, Indiana
3,975 people in Miami County, Indiana were enrolled in Medicare Advantage in October 2026, 52.7% of 7,540 eligible beneficiaries (+0.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 44% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 2,965 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 1,201 members here are in plans that terminate or leave the county. MA plans offered go from 40 to 32.
Parent organizations in Miami County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,753 | +10 | 44.2% |
| Humana Inc. | 1,103 | +217 | 27.8% |
| Elevance Health, Inc. | 520 | −215 | 13.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 251 | −31 | 6.3% |
| CVS Health Corporation | 118 | +20 | 3.0% |
| Devoted Health, Inc. | 111 | +92 | 2.8% |
| Centene Corporation | 52 | +15 | 1.3% |
| C & O Employees' Hospital Association | 41 | −2 | 1.0% |
| Rifkin Managed Care Holding, LLC | 13 | new | 0.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,877 beneficiaries in Miami County were assigned to 23 Medicare Shared Savings Program ACOs, 61.9% of assignable Original Medicare beneficiaries. Together, roughly 82% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.