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MA Enrollment Explorer / Michigan / Lapeer County

Medicare Advantage in Lapeer County, Michigan

14,534 people in Lapeer County, Michigan were enrolled in Medicare Advantage in October 2026, 62.8% of 23,156 eligible beneficiaries (+0.3 pts since October 2025). Blue Cross Blue Shield of Michigan Mutual Ins. Co. is the largest parent organization with 48% of reported enrollment; 11 parent organizations have 11 or more members and the HHI is 3,070 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 30 members here are in plans that terminate or leave the county. MA plans offered go from 53 to 54.

62.8%MA penetration, October 2026
14,534MA enrollees
48%leading parent's share
68.9%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Michigan

Parent organizations in Lapeer County

Parent organizationMembersChange since October 2025Share
Blue Cross Blue Shield of Michigan Mutual Ins. Co.6,947−1,41247.9%
Henry Ford Health System2,981+1,20520.6%
Humana Inc.2,468+56617.0%
Corewell Health964+2346.7%
CVS Health Corporation458−3013.2%
UnitedHealth Group, Inc.292+782.0%
Centene Corporation146+431.0%
McLaren Health Care Corporation87−280.6%
Molina Healthcare, Inc.71−140.5%
Zing Health Consolidator, Inc56new0.4%
Trinity Health Corporation25new0.2%

CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.

Value-based care alongside MA

In PY 2024, 4,270 beneficiaries in Lapeer County were assigned to 51 Medicare Shared Savings Program ACOs, 68.9% of assignable Original Medicare beneficiaries. Together, roughly 88% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.