Medicare Advantage in Gulf County, Florida
2,178 people in Gulf County, Florida were enrolled in Medicare Advantage in October 2026, 47.4% of 4,594 eligible beneficiaries (−0.2 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 45% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 4,063 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 1,028 members here are in plans that terminate or leave the county. MA plans offered go from 17 to 13.
Parent organizations in Gulf County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 974 | +64 | 45.2% |
| Humana Inc. | 962 | +66 | 44.6% |
| Guidewell Mutual Holding Corporation | 110 | −14 | 5.1% |
| Elevance Health, Inc. | 54 | +17 | 2.5% |
| CVS Health Corporation | 35 | +2 | 1.6% |
| Centene Corporation | 11 | −43 | 0.5% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 11 | new | 0.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 741 beneficiaries in Gulf County were assigned to 43 Medicare Shared Savings Program ACOs, 42.9% of assignable Original Medicare beneficiaries. Together, roughly 70% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.