Medicare Advantage in Osceola County, Michigan
4,606 people in Osceola County, Michigan were enrolled in Medicare Advantage in October 2026, 66.7% of 6,904 eligible beneficiaries (+1.1 pts since October 2025). Corewell Health is the largest parent organization with 46% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 2,850 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 1,678 members here are in plans that terminate or leave the county. MA plans offered go from 51 to 48.
Parent organizations in Osceola County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Corewell Health | 2,085 | +419 | 45.5% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 1,013 | −508 | 22.1% |
| Humana Inc. | 595 | +80 | 13.0% |
| UnitedHealth Group, Inc. | 464 | +8 | 10.1% |
| CVS Health Corporation | 195 | +71 | 4.3% |
| Henry Ford Health System | 84 | new | 1.8% |
| Centene Corporation | 71 | −2 | 1.5% |
| Trinity Health Corporation | 44 | +31 | 1.0% |
| Molina Healthcare, Inc. | 36 | +4 | 0.8% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,254 beneficiaries in Osceola County were assigned to 26 Medicare Shared Savings Program ACOs, 71.1% of assignable Original Medicare beneficiaries. Together, roughly 90% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.