TRYNYTYhealth:enablement
MA Enrollment Explorer / Florida / Lee County

Medicare Advantage in Lee County, Florida

115,345 people in Lee County, Florida were enrolled in Medicare Advantage in October 2026, 50.5% of 228,579 eligible beneficiaries (+0.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 39% of reported enrollment; 24 parent organizations have 11 or more members and the HHI is 2,931 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 30,270 members here are in plans that terminate or leave the county, and Health Care Service Corporation, Athena Healthcare Holdings, LLC leave. MA plans offered go from 41 to 34.

50.5%MA penetration, October 2026
115,345MA enrollees
39%leading parent's share
34.2%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Florida

Parent organizations in Lee County

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.44,957−1,28739.1%
Humana Inc.38,146+10,45533.2%
CVS Health Corporation18,944−2,36116.5%
Guidewell Mutual Holding Corporation5,149−1,4244.5%
Elevance Health, Inc.3,096+4692.7%
Blue Cross Blue Shield of Michigan Mutual Ins. Co.1,866−811.6%
Centene Corporation1,231−4931.1%
Health Care Service Corporation525−1,3500.5%
Chapters Health System, Inc.459+690.4%
Highmark Health221−80.2%
Aware Integrated, Inc.64+39under 0.1%
Lifetime Healthcare, Inc.580under 0.1%
Horizon Mutual Holdings, Inc58+24under 0.1%
Athena Healthcare Holdings, LLC38+24under 0.1%
CareFirst, Inc.29+4under 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, 30,595 beneficiaries in Lee County were assigned to 382 Medicare Shared Savings Program ACOs, 34.2% of assignable Original Medicare beneficiaries. Together, roughly 67% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.