Medicare Advantage in Marquette County, Wisconsin
2,906 people in Marquette County, Wisconsin were enrolled in Medicare Advantage in October 2026, 55.2% of 5,267 eligible beneficiaries (−0.03 pts since October 2025). Network Health, Inc. is the largest parent organization with 33% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 2,366 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 298 members here are in plans that terminate or leave the county, and Aspirus, Inc., Sanford Health, Centene Corporation leave. MA plans offered go from 38 to 30.
Parent organizations in Marquette County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Network Health, Inc. | 935 | +205 | 32.7% |
| Humana Inc. | 769 | +137 | 26.9% |
| UnitedHealth Group, Inc. | 649 | −30 | 22.7% |
| CVS Health Corporation | 129 | +35 | 4.5% |
| Elevance Health, Inc. | 104 | −167 | 3.6% |
| Aspirus, Inc. | 103 | +45 | 3.6% |
| Sanford Health | 83 | +23 | 2.9% |
| Centene Corporation | 75 | +12 | 2.6% |
| Molina Healthcare, Inc. | 15 | +2 | 0.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 705 beneficiaries in Marquette County were assigned to 18 Medicare Shared Savings Program ACOs, 42.2% of assignable Original Medicare beneficiaries. Together, roughly 74% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.