TRYNYTYhealth:enablement
MA Enrollment Explorer / Wisconsin / Chippewa County

Medicare Advantage in Chippewa County, Wisconsin

8,325 people in Chippewa County, Wisconsin were enrolled in Medicare Advantage in October 2026, 50.6% of 16,459 eligible beneficiaries (−1.9 pts since October 2025). Sanford Health is the largest parent organization with 57% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,768 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 3,126 members here are in plans that terminate or leave the county, and Medica Holding Company leaves. MA plans offered go from 21 to 12.

50.6%MA penetration, October 2026
8,325MA enrollees
57%leading parent's share
44.5%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Wisconsin

Parent organizations in Chippewa County

Parent organizationMembersChange since October 2025Share
Sanford Health4,763+55157.5%
Medica Holding Company1,239+24815.0%
UnitedHealth Group, Inc.918−25511.1%
Elevance Health, Inc.668−7338.1%
Humana Inc.596+717.2%
Group Health Cooperative of Eau Claire58+350.7%
CVS Health Corporation44+10.5%

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

Value-based care alongside MA

In PY 2024, 2,741 beneficiaries in Chippewa County were assigned to 28 Medicare Shared Savings Program ACOs, 44.5% of assignable Original Medicare beneficiaries. Together, roughly 73% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.