Medicare Advantage in Miami-Dade County, Florida
397,170 people in Miami-Dade County, Florida were enrolled in Medicare Advantage in October 2026, 75.1% of 528,794 eligible beneficiaries (−0.6 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 30% of reported enrollment; 22 parent organizations have 11 or more members and the HHI is 2,006 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 43,436 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 46 to 41.
Parent organizations in Miami-Dade County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 119,360 | +2,594 | 30.1% |
| Humana Inc. | 101,703 | +13,251 | 25.6% |
| Elevance Health, Inc. | 64,290 | −7,859 | 16.2% |
| LMC Family Holdings, LLC | 40,550 | +1,185 | 10.2% |
| DOCTORS HEALTHCARE PLANS, INC. | 25,188 | +6,630 | 6.3% |
| Athena Healthcare Holdings, LLC | 18,531 | +6,896 | 4.7% |
| CVS Health Corporation | 13,160 | −10,239 | 3.3% |
| Devoted Health, Inc. | 6,728 | +3,627 | 1.7% |
| Centene Corporation | 2,564 | +1,498 | 0.6% |
| Guidewell Mutual Holding Corporation | 1,552 | −704 | 0.4% |
| Miami Jewish Health Systems, Inc. | 1,010 | +147 | 0.3% |
| Independent Living Systems, LLC | 867 | +112 | 0.2% |
| Health Care Service Corporation | 528 | −4,893 | 0.1% |
| Curana Health Holdings, LLC | 279 | +173 | under 0.1% |
| Mount Sinai Medical Center of Florida, Inc. | 157 | +57 | 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, 18,189 beneficiaries in Miami-Dade County were assigned to 260 Medicare Shared Savings Program ACOs, 23.9% of assignable Original Medicare beneficiaries. Together, roughly 81% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.