Medicare Advantage in Sarasota County, Florida
71,808 people in Sarasota County, Florida were enrolled in Medicare Advantage in October 2026, 42.7% of 168,137 eligible beneficiaries (−0.4 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 36% of reported enrollment; 20 parent organizations have 11 or more members and the HHI is 2,661 (highly concentrated). For 2027, 9,508 members here are in plans that terminate or leave the county. MA plans offered go from 43 to 41.
Parent organizations in Sarasota County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 25,995 | +3,881 | 36.3% |
| CVS Health Corporation | 21,385 | −4,460 | 29.9% |
| Humana Inc. | 14,007 | +2,597 | 19.6% |
| Elevance Health, Inc. | 4,913 | +604 | 6.9% |
| Guidewell Mutual Holding Corporation | 2,816 | −1,037 | 3.9% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 1,440 | −160 | 2.0% |
| Centene Corporation | 283 | −80 | 0.4% |
| Highmark Health | 209 | +10 | 0.3% |
| Health Care Service Corporation | 168 | −272 | 0.2% |
| Ultimate Healthcare Holdings, LLC | 73 | +32 | 0.1% |
| Gold Kidney Health Plan | 60 | +12 | under 0.1% |
| Horizon Mutual Holdings, Inc | 54 | +30 | under 0.1% |
| Lifetime Healthcare, Inc. | 42 | +2 | under 0.1% |
| Mitchell Family Office | 28 | new | under 0.1% |
| CareFirst, Inc. | 26 | +2 | 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, 7,743 beneficiaries in Sarasota County were assigned to 354 Medicare Shared Savings Program ACOs, 9.7% of assignable Original Medicare beneficiaries. Together, roughly 48% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.
