Medicare Advantage in Bayfield County, Wisconsin
2,521 people in Bayfield County, Wisconsin were enrolled in Medicare Advantage in October 2026, 42.3% of 5,965 eligible beneficiaries (−2.3 pts since October 2025). Sanford Health is the largest parent organization with 36% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,773 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 969 members here are in plans that terminate or leave the county, and Sanford Health leaves. MA plans offered go from 16 to 11.
Parent organizations in Bayfield County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Sanford Health | 908 | +168 | 36.4% |
| Medica Holding Company | 851 | +133 | 34.1% |
| UnitedHealth Group, Inc. | 358 | −21 | 14.4% |
| Humana Inc. | 160 | +62 | 6.4% |
| Elevance Health, Inc. | 130 | −323 | 5.2% |
| Group Health Cooperative of Eau Claire | 33 | new | 1.3% |
| CVS Health Corporation | 32 | +1 | 1.3% |
| Aware Integrated, Inc. | 20 | +9 | 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, 1,312 beneficiaries in Bayfield County were assigned to 23 Medicare Shared Savings Program ACOs, 56.9% of assignable Original Medicare beneficiaries. Together, roughly 75% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.