TRYNYTYhealth:enablement
MA Enrollment Explorer / Texas / Dallas County

Medicare Advantage in Dallas County, Texas

201,263 people in Dallas County, Texas were enrolled in Medicare Advantage in October 2026, 54.9% of 366,287 eligible beneficiaries (+0.2 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 53% of reported enrollment; 16 parent organizations have 11 or more members and the HHI is 3,417 (highly concentrated). For 2027, 35,901 members here are in plans that terminate or leave the county, and Mitchell Family Office leaves. MA plans offered go from 58 to 42.

54.9%MA penetration, October 2026
201,263MA enrollees
53%leading parent's share
28.7%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Texas

Parent organizations in Dallas County

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.106,581−1,79953.1%
Humana Inc.41,972+8,37620.9%
Health Care Service Corporation20,608+2310.3%
Centene Corporation11,032−4,1255.5%
CVS Health Corporation8,015+1464.0%
Elevance Health, Inc.5,366+1,9782.7%
Baylor Scott & White Health3,810+8781.9%
Molina Healthcare, Inc.2,873−1591.4%
First Sacramento Capital Funding LLC205−10.1%
Rifkin Managed Care Holding, LLC176−3under 0.1%
Blue Cross Blue Shield of Michigan Mutual Ins. Co.91+3under 0.1%
Verda Healthcare, Inc.51newunder 0.1%
Mitchell Family Office26−10under 0.1%
California Physicians' Service19+3under 0.1%
Louisiana Health Service & Indemnity Company18newunder 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, 29,731 beneficiaries in Dallas County were assigned to 245 Medicare Shared Savings Program ACOs, 28.7% of assignable Original Medicare beneficiaries. Together, roughly 68% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.