Medicare Advantage in Leelanau County, Michigan
5,037 people in Leelanau County, Michigan were enrolled in Medicare Advantage in October 2026, 57.2% of 8,808 eligible beneficiaries (−0.9 pts since October 2025). Corewell Health is the largest parent organization with 45% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,288 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 1,979 members here are in plans that terminate or leave the county. MA plans offered go from 41 to 37.
Parent organizations in Leelanau County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Corewell Health | 2,262 | +252 | 45.2% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 1,622 | −394 | 32.4% |
| Humana Inc. | 611 | +210 | 12.2% |
| CVS Health Corporation | 250 | −11 | 5.0% |
| UnitedHealth Group, Inc. | 216 | −15 | 4.3% |
| Henry Ford Health System | 28 | new | 0.6% |
| PACE North | 14 | 0 | 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, 547 beneficiaries in Leelanau County were assigned to 53 Medicare Shared Savings Program ACOs, 20.2% of assignable Original Medicare beneficiaries. Together, roughly 66% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.