TRYNYTYhealth:enablement
MA Enrollment Explorer / Florida / Flagler County

Medicare Advantage in Flagler County, Florida

26,829 people in Flagler County, Florida were enrolled in Medicare Advantage in October 2026, 55.2% of 48,566 eligible beneficiaries (+0.05 pts since October 2025). Humana Inc. is the largest parent organization with 45% of reported enrollment; 12 parent organizations have 11 or more members and the HHI is 2,902 (highly concentrated). For 2027, 5,341 members here are in plans that terminate or leave the county. MA plans offered go from 43 to 42.

55.2%MA penetration, October 2026
26,829MA enrollees
45%leading parent's share
12.2%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Florida

Parent organizations in Flagler County

Parent organizationMembersChange since October 2025Share
Humana Inc.12,063+1,51045.2%
UnitedHealth Group, Inc.6,628−6524.8%
CVS Health Corporation2,933−3111.0%
Guidewell Mutual Holding Corporation2,591−4319.7%
Health First Shared Services, Inc.1,336+2845.0%
Devoted Health, Inc.321+2071.2%
Elevance Health, Inc.269+11.0%
Centene Corporation217−20.8%
Blue Cross Blue Shield of Michigan Mutual Ins. Co.200−80.7%
Health Care Service Corporation85−3470.3%
Highmark Health29+20.1%
Horizon Mutual Holdings, Inc24+12under 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, 1,998 beneficiaries in Flagler County were assigned to 195 Medicare Shared Savings Program ACOs, 12.2% of assignable Original Medicare beneficiaries. Together, roughly 61% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.