Medicare Advantage in Jackson County, Florida
6,378 people in Jackson County, Florida were enrolled in Medicare Advantage in October 2026, 52.8% of 12,069 eligible beneficiaries (+1.4 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 60% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 4,933 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 2,876 members here are in plans that terminate or leave the county, and Centene Corporation leaves. MA plans offered go from 17 to 13.
Parent organizations in Jackson County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 3,814 | +142 | 60.1% |
| Humana Inc. | 2,303 | +255 | 36.3% |
| Guidewell Mutual Holding Corporation | 107 | −15 | 1.7% |
| Centene Corporation | 51 | −140 | 0.8% |
| CVS Health Corporation | 31 | −4 | 0.5% |
| Elevance Health, Inc. | 26 | −1 | 0.4% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 14 | new | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 707 beneficiaries in Jackson County were assigned to 38 Medicare Shared Savings Program ACOs, 15.0% of assignable Original Medicare beneficiaries. Together, roughly 60% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.