Medicare Advantage in Charlevoix County, Michigan
4,845 people in Charlevoix County, Michigan were enrolled in Medicare Advantage in October 2026, 56.0% of 8,645 eligible beneficiaries (−0.7 pts since October 2025). Corewell Health is the largest parent organization with 35% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 2,754 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 1,821 members here are in plans that terminate or leave the county. MA plans offered go from 39 to 35.
Parent organizations in Charlevoix County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Corewell Health | 1,694 | +432 | 35.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 1,646 | −544 | 34.1% |
| Humana Inc. | 818 | +141 | 16.9% |
| CVS Health Corporation | 294 | −24 | 6.1% |
| UnitedHealth Group, Inc. | 284 | +3 | 5.9% |
| Henry Ford Health System | 63 | new | 1.3% |
| McLaren Health Care Corporation | 29 | −31 | 0.6% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,889 beneficiaries in Charlevoix County were assigned to 57 Medicare Shared Savings Program ACOs, 62.8% of assignable Original Medicare beneficiaries. Together, roughly 84% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.