Medicare Advantage in Iron County, Michigan
2,469 people in Iron County, Michigan were enrolled in Medicare Advantage in October 2026, 56.2% of 4,397 eligible beneficiaries (−1.2 pts since October 2025). Humana Inc. is the largest parent organization with 49% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,438 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 450 members here are in plans that terminate or leave the county, and CVS Health Corporation leaves. MA plans offered go from 15 to 10.
Parent organizations in Iron County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,198 | +729 | 49.0% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 725 | −385 | 29.7% |
| DLP Marquette Health Plan, LLC | 209 | new | 8.6% |
| CVS Health Corporation | 204 | +60 | 8.4% |
| UnitedHealth Group, Inc. | 63 | −417 | 2.6% |
| Elevance Health, Inc. | 44 | −2 | 1.8% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 465 beneficiaries in Iron County were assigned to 30 Medicare Shared Savings Program ACOs, 34.0% of assignable Original Medicare beneficiaries. Together, roughly 71% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.