Medicare Advantage in Lafayette County, Wisconsin
1,713 people in Lafayette County, Wisconsin were enrolled in Medicare Advantage in October 2026, 41.9% of 4,085 eligible beneficiaries (−1.6 pts since October 2025). Medical Associates Clinic, P.C. is the largest parent organization with 41% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,028 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 224 members here are in plans that terminate or leave the county. MA plans offered go from 21 to 17.
Parent organizations in Lafayette County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Medical Associates Clinic, P.C. | 691 | +9 | 41.4% |
| UnitedHealth Group, Inc. | 553 | +64 | 33.1% |
| Humana Inc. | 185 | +41 | 11.1% |
| CVS Health Corporation | 147 | +29 | 8.8% |
| Elevance Health, Inc. | 68 | −153 | 4.1% |
| Highmark Health | 26 | −1 | 1.6% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 383 beneficiaries in Lafayette County were assigned to 17 Medicare Shared Savings Program ACOs, 23.1% of assignable Original Medicare beneficiaries. Together, roughly 55% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.