Medicare Advantage in Madison County, Florida
2,886 people in Madison County, Florida were enrolled in Medicare Advantage in October 2026, 57.8% of 4,996 eligible beneficiaries (−0.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 53% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 4,427 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 1,307 members here are in plans that terminate or leave the county, and Centene Corporation leaves. MA plans offered go from 21 to 17.
Parent organizations in Madison County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,527 | +91 | 53.1% |
| Humana Inc. | 1,149 | +53 | 39.9% |
| Guidewell Mutual Holding Corporation | 110 | +21 | 3.8% |
| Centene Corporation | 40 | −131 | 1.4% |
| CVS Health Corporation | 36 | +2 | 1.3% |
| Elevance Health, Inc. | 16 | +2 | 0.6% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 359 beneficiaries in Madison County were assigned to 27 Medicare Shared Savings Program ACOs, 24.5% of assignable Original Medicare beneficiaries. Together, roughly 68% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.