Medicare Advantage in Fond du Lac County, Wisconsin
17,426 people in Fond du Lac County, Wisconsin were enrolled in Medicare Advantage in October 2026, 68.7% of 25,358 eligible beneficiaries (+0.5 pts since October 2025). Network Health, Inc. is the largest parent organization with 56% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 3,918 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 321 members here are in plans that terminate or leave the county. MA plans offered go from 33 to 32.
Parent organizations in Fond du Lac County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Network Health, Inc. | 9,794 | +1,277 | 56.4% |
| UnitedHealth Group, Inc. | 4,151 | −743 | 23.9% |
| Humana Inc. | 2,116 | +474 | 12.2% |
| Elevance Health, Inc. | 691 | −602 | 4.0% |
| Centene Corporation | 454 | +112 | 2.6% |
| Medica Holding Company | 82 | −1 | 0.5% |
| CVS Health Corporation | 69 | 0 | 0.4% |
| Molina Healthcare, Inc. | 21 | +5 | 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, 4,387 beneficiaries in Fond du Lac County were assigned to 45 Medicare Shared Savings Program ACOs, 78.2% of assignable Original Medicare beneficiaries. Together, roughly 93% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.