TRYNYTYhealth:enablement
MA Enrollment Explorer / Florida / Sarasota County

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.

42.7%MA penetration, October 2026
71,808MA enrollees
36%leading parent's share
9.7%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Florida

Parent organizations in Sarasota County

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.25,995+3,88136.3%
CVS Health Corporation21,385−4,46029.9%
Humana Inc.14,007+2,59719.6%
Elevance Health, Inc.4,913+6046.9%
Guidewell Mutual Holding Corporation2,816−1,0373.9%
Blue Cross Blue Shield of Michigan Mutual Ins. Co.1,440−1602.0%
Centene Corporation283−800.4%
Highmark Health209+100.3%
Health Care Service Corporation168−2720.2%
Ultimate Healthcare Holdings, LLC73+320.1%
Gold Kidney Health Plan60+12under 0.1%
Horizon Mutual Holdings, Inc54+30under 0.1%
Lifetime Healthcare, Inc.42+2under 0.1%
Mitchell Family Office28newunder 0.1%
CareFirst, Inc.26+2under 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.