Medicare Advantage in Pasco County, Florida
105,481 people in Pasco County, Florida were enrolled in Medicare Advantage in October 2026, 67.4% of 156,522 eligible beneficiaries (+0.1 pts since October 2025). Humana Inc. is the largest parent organization with 43% of reported enrollment; 25 parent organizations have 11 or more members and the HHI is 2,729 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 21,759 members here are in plans that terminate or leave the county, and Health First Shared Services, Inc. leaves. MA plans offered go from 57 to 49.
Parent organizations in Pasco County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 45,305 | +4,971 | 43.0% |
| UnitedHealth Group, Inc. | 23,241 | −325 | 22.1% |
| Elevance Health, Inc. | 18,827 | −84 | 17.9% |
| CVS Health Corporation | 7,418 | −3,139 | 7.0% |
| BayCare Health System, Inc. | 2,762 | +719 | 2.6% |
| Ultimate Healthcare Holdings, LLC | 2,700 | +2,008 | 2.6% |
| Centene Corporation | 1,521 | −242 | 1.4% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 923 | −91 | 0.9% |
| Devoted Health, Inc. | 920 | +307 | 0.9% |
| Guidewell Mutual Holding Corporation | 898 | −830 | 0.9% |
| Health Care Service Corporation | 157 | −555 | 0.1% |
| Gold Kidney Health Plan | 129 | +87 | 0.1% |
| Highmark Health | 106 | +15 | 0.1% |
| Total Community Options, Inc. | 53 | +36 | under 0.1% |
| Health First Shared Services, Inc. | 47 | 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, 18,182 beneficiaries in Pasco County were assigned to 280 Medicare Shared Savings Program ACOs, 49.9% of assignable Original Medicare beneficiaries. Together, roughly 84% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.