Medicare Advantage in Douglas County, Wisconsin
7,411 people in Douglas County, Wisconsin were enrolled in Medicare Advantage in October 2026, 63.4% of 11,684 eligible beneficiaries (−1.0 pts since October 2025). Medica Holding Company is the largest parent organization with 52% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 3,286 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 1,572 members here are in plans that terminate or leave the county, and Sanford Health leaves. MA plans offered go from 25 to 18.
Parent organizations in Douglas County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Medica Holding Company | 3,854 | +429 | 52.3% |
| Sanford Health | 1,333 | +201 | 18.1% |
| UnitedHealth Group, Inc. | 885 | −169 | 12.0% |
| Humana Inc. | 509 | +257 | 6.9% |
| HealthPartners, Inc. | 390 | +177 | 5.3% |
| Elevance Health, Inc. | 203 | −453 | 2.8% |
| Aware Integrated, Inc. | 82 | +6 | 1.1% |
| Group Health Cooperative of Eau Claire | 58 | +41 | 0.8% |
| CVS Health Corporation | 48 | +1 | 0.7% |
| Network Health, Inc. | 14 | new | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,777 beneficiaries in Douglas County were assigned to 25 Medicare Shared Savings Program ACOs, 66.9% 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.