Medicare Advantage in Manistee County, Michigan
5,469 people in Manistee County, Michigan were enrolled in Medicare Advantage in October 2026, 63.1% of 8,673 eligible beneficiaries (−0.1 pts since October 2025). Corewell Health is the largest parent organization with 38% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,609 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 1,961 members here are in plans that terminate or leave the county. MA plans offered go from 37 to 37.
Parent organizations in Manistee County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Corewell Health | 2,043 | +264 | 37.5% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 1,582 | −460 | 29.1% |
| Humana Inc. | 762 | +192 | 14.0% |
| UnitedHealth Group, Inc. | 542 | +9 | 10.0% |
| CVS Health Corporation | 408 | +43 | 7.5% |
| Henry Ford Health System | 73 | new | 1.3% |
| Molina Healthcare, Inc. | 19 | −7 | 0.3% |
| Elevance Health, Inc. | 12 | 0 | 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, 1,184 beneficiaries in Manistee County were assigned to 40 Medicare Shared Savings Program ACOs, 45.1% of assignable Original Medicare beneficiaries. Together, roughly 80% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.