Medicare Advantage in Duval County, Florida
106,024 people in Duval County, Florida were enrolled in Medicare Advantage in October 2026, 53.5% of 198,206 eligible beneficiaries (+0.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 40% of reported enrollment; 14 parent organizations have 11 or more members and the HHI is 2,878 (highly concentrated). For 2027, 18,504 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 46 to 42.
Parent organizations in Duval County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 42,801 | +621 | 40.5% |
| Humana Inc. | 33,533 | +5,427 | 31.7% |
| CVS Health Corporation | 14,051 | −950 | 13.3% |
| Guidewell Mutual Holding Corporation | 5,462 | −2,012 | 5.2% |
| Centene Corporation | 4,240 | −958 | 4.0% |
| Devoted Health, Inc. | 3,879 | +1,802 | 3.7% |
| Elevance Health, Inc. | 645 | +55 | 0.6% |
| Gold Kidney Health Plan | 642 | +216 | 0.6% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 192 | −4 | 0.2% |
| Health Care Service Corporation | 117 | −374 | 0.1% |
| Community Hospice of Northeast Florida, Inc. | 87 | +1 | under 0.1% |
| Longevity Health Founders, LLC | 54 | +5 | under 0.1% |
| Highmark Health | 22 | +3 | under 0.1% |
| Mitchell Family Office | 12 | new | 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, 32,755 beneficiaries in Duval County were assigned to 246 Medicare Shared Savings Program ACOs, 50.1% of assignable Original Medicare beneficiaries. Together, roughly 77% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.