Medicare Advantage in Berrien County, Michigan
22,780 people in Berrien County, Michigan were enrolled in Medicare Advantage in October 2026, 57.1% of 39,882 eligible beneficiaries (−0.6 pts since October 2025). Humana Inc. is the largest parent organization with 35% of reported enrollment; 11 parent organizations have 11 or more members and the HHI is 2,374 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 581 members here are in plans that terminate or leave the county. MA plans offered go from 44 to 42.
Parent organizations in Berrien County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 7,933 | +1,469 | 35.0% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 5,758 | −423 | 25.4% |
| Corewell Health | 4,389 | +428 | 19.4% |
| UnitedHealth Group, Inc. | 1,846 | −431 | 8.1% |
| CVS Health Corporation | 1,724 | −1,067 | 7.6% |
| Centene Corporation | 451 | −56 | 2.0% |
| Henry Ford Health System | 281 | +148 | 1.2% |
| PACE of Southwest Michigan, Inc. | 160 | −6 | 0.7% |
| Elevance Health, Inc. | 75 | +4 | 0.3% |
| Health Care Service Corporation | 44 | +9 | 0.2% |
| McLaren Health Care Corporation | 11 | new | under 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 9,538 beneficiaries in Berrien County were assigned to 94 Medicare Shared Savings Program ACOs, 74.5% 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.