Medicare Advantage in Oscoda County, Michigan
1,966 people in Oscoda County, Michigan were enrolled in Medicare Advantage in October 2026, 60.5% of 3,252 eligible beneficiaries (−0.1 pts since October 2025). Blue Cross Blue Shield of Michigan Mutual Ins. Co. is the largest parent organization with 38% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 2,774 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 430 members here are in plans that terminate or leave the county. MA plans offered go from 36 to 29.
Parent organizations in Oscoda County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 732 | −158 | 37.7% |
| Humana Inc. | 577 | +122 | 29.7% |
| Corewell Health | 361 | +116 | 18.6% |
| UnitedHealth Group, Inc. | 217 | +28 | 11.2% |
| Centene Corporation | 22 | +8 | 1.1% |
| McLaren Health Care Corporation | 22 | +5 | 1.1% |
| CVS Health Corporation | 12 | −84 | 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, 699 beneficiaries in Oscoda County were assigned to 27 Medicare Shared Savings Program ACOs, 72.9% of assignable Original Medicare beneficiaries. Together, roughly 89% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.