Medicare Advantage in Vernon County, Wisconsin
3,500 people in Vernon County, Wisconsin were enrolled in Medicare Advantage in October 2026, 42.3% of 8,280 eligible beneficiaries (−14.7 pts since October 2025). CVS Health Corporation is the largest parent organization with 60% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,948 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 602 members here are in plans that terminate or leave the county, and Sanford Health leaves. MA plans offered go from 17 to 11.
Parent organizations in Vernon County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 2,069 | +1,950 | 59.8% |
| UnitedHealth Group, Inc. | 351 | −203 | 10.2% |
| Elevance Health, Inc. | 331 | −292 | 9.6% |
| Sanford Health | 330 | +210 | 9.5% |
| Humana Inc. | 309 | +129 | 8.9% |
| Group Health Cooperative of Eau Claire | 42 | new | 1.2% |
| Network Health, Inc. | 26 | new | 0.8% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,363 beneficiaries in Vernon County were assigned to 14 Medicare Shared Savings Program ACOs, 55.3% 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.