Medicare Advantage in Calumet County, Wisconsin
7,514 people in Calumet County, Wisconsin were enrolled in Medicare Advantage in October 2026, 72.1% of 10,425 eligible beneficiaries (−2.0 pts since October 2025). Network Health, Inc. is the largest parent organization with 60% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 4,152 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 172 members here are in plans that terminate or leave the county. MA plans offered go from 32 to 30.
Parent organizations in Calumet County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Network Health, Inc. | 4,484 | +838 | 59.9% |
| UnitedHealth Group, Inc. | 1,422 | −654 | 19.0% |
| Humana Inc. | 1,046 | +279 | 14.0% |
| Elevance Health, Inc. | 193 | −365 | 2.6% |
| HealthPartners, Inc. | 160 | −70 | 2.1% |
| Centene Corporation | 133 | +73 | 1.8% |
| CVS Health Corporation | 43 | +6 | 0.6% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 11 | new | 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, 1,182 beneficiaries in Calumet County were assigned to 22 Medicare Shared Savings Program ACOs, 68.4% of assignable Original Medicare beneficiaries. Together, roughly 91% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.