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MA Enrollment Explorer / Texas / Cooke County

Medicare Advantage in Cooke County, Texas

4,173 people in Cooke County, Texas were enrolled in Medicare Advantage in October 2026, 41.7% of 10,002 eligible beneficiaries (−0.2 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 68% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 5,197 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 1,087 members here are in plans that terminate or leave the county. MA plans offered go from 36 to 31.

41.7%MA penetration, October 2026
4,173MA enrollees
68%leading parent's share
35.4%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Texas

Parent organizations in Cooke County

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.2,798+7867.8%
Humana Inc.1,003+5624.3%
Elevance Health, Inc.93+172.3%
Centene Corporation76−471.8%
CVS Health Corporation68−51.6%
Health Care Service Corporation34−250.8%
First Sacramento Capital Funding LLC1800.4%
Universal Health Services, Inc.16+40.4%
Consolidated Assoc of Railroad Employees HC11−20.3%
Rifkin Managed Care Holding, LLC11new0.3%

CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.

Value-based care alongside MA

In PY 2024, 1,370 beneficiaries in Cooke County were assigned to 37 Medicare Shared Savings Program ACOs, 35.4% of assignable Original Medicare beneficiaries. Together, roughly 62% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.