Medicare Advantage in Marquette County, Michigan
10,204 people in Marquette County, Michigan were enrolled in Medicare Advantage in October 2026, 59.2% of 17,243 eligible beneficiaries (−0.6 pts since October 2025). Blue Cross Blue Shield of Michigan Mutual Ins. Co. is the largest parent organization with 41% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 2,883 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 20 to 18.
Parent organizations in Marquette County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 4,136 | −803 | 40.7% |
| Humana Inc. | 3,071 | +897 | 30.2% |
| Elevance Health, Inc. | 1,580 | −9 | 15.5% |
| DLP Marquette Health Plan, LLC | 733 | new | 7.2% |
| CVS Health Corporation | 451 | 0 | 4.4% |
| UnitedHealth Group, Inc. | 198 | −16 | 1.9% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 3,865 beneficiaries in Marquette County were assigned to 62 Medicare Shared Savings Program ACOs, 78.0% of assignable Original Medicare beneficiaries. Together, roughly 91% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.