TRYNYTYhealth:enablement
MA Enrollment Explorer / Texas / Tarrant County

Medicare Advantage in Tarrant County, Texas

184,016 people in Tarrant County, Texas were enrolled in Medicare Advantage in October 2026, 55.5% of 331,485 eligible beneficiaries (−0.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 60% of reported enrollment; 17 parent organizations have 11 or more members and the HHI is 4,171 (highly concentrated). For 2027, 29,415 members here are in plans that terminate or leave the county, and Mitchell Family Office leaves. MA plans offered go from 53 to 40.

55.5%MA penetration, October 2026
184,016MA enrollees
60%leading parent's share
25.4%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Texas

Parent organizations in Tarrant County

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.110,846−2,80860.4%
Humana Inc.38,003+9,48320.7%
Health Care Service Corporation14,941−1,5998.1%
CVS Health Corporation8,804+2064.8%
Elevance Health, Inc.5,005+1,2312.7%
Centene Corporation3,555−1,5781.9%
Baylor Scott & White Health1,414+5100.8%
Molina Healthcare, Inc.454+830.2%
Rifkin Managed Care Holding, LLC148−47under 0.1%
Regency ISNP Holdings LLC131+36under 0.1%
Blue Cross Blue Shield of Michigan Mutual Ins. Co.120−12under 0.1%
Mitchell Family Office84−29under 0.1%
First Sacramento Capital Funding LLC72−14under 0.1%
California Physicians' Service35+11under 0.1%
Louisiana Health Service & Indemnity Company24newunder 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, 22,793 beneficiaries in Tarrant County were assigned to 276 Medicare Shared Savings Program ACOs, 25.4% 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.