Medicare Advantage in Clay County, Florida
22,793 people in Clay County, Florida were enrolled in Medicare Advantage in October 2026, 42.8% of 53,263 eligible beneficiaries (+0.4 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 38% of reported enrollment; 11 parent organizations have 11 or more members and the HHI is 3,022 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 3,608 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 45 to 40.
Parent organizations in Clay County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 8,556 | +214 | 37.7% |
| Humana Inc. | 8,477 | +1,550 | 37.4% |
| CVS Health Corporation | 2,750 | −214 | 12.1% |
| Guidewell Mutual Holding Corporation | 1,451 | −712 | 6.4% |
| Devoted Health, Inc. | 492 | +236 | 2.2% |
| Centene Corporation | 396 | −73 | 1.7% |
| Gold Kidney Health Plan | 209 | +31 | 0.9% |
| Elevance Health, Inc. | 182 | +17 | 0.8% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 114 | +3 | 0.5% |
| Longevity Health Founders, LLC | 20 | −4 | under 0.1% |
| Health Care Service Corporation | 18 | −96 | under 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, 10,344 beneficiaries in Clay County were assigned to 247 Medicare Shared Savings Program ACOs, 47.5% 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.