- AARP - United Healthcare Insurance Co
- Aetna
- Ambetter of Arkansas - Medical
- Amerigroup Corporation
- BCBS Texas
- Blue Cross Medicare Advantage PPO/HMO
- Care Improvement Plus (CIP) / XL Health
- CHAMPVA-HAC
- CIGNA 62308
- Cigna-HealthSpring
- Community Health Choice - Health Insurance Marketp
- Devoted Health
- HOUSTON METHODIST ST. CATHERIN
- VA Fee Basis Programs
- Wellcare HMO, Inc.
- WellMed Medical (Claims)
- HOUSTON METHODIST ST. CATHERIN
- Humana
- Humana Military Healthcare Services
- IntegraNet
- Medicaid TX (TMHP)
- Medicare Texas
- Molina Healthcare of Texas
- National Association of Letter Carriers
- Self-Funded Plans
- Superior Health Plan (Ambetter) - Medical
- Texas Childrens Health Plan
- TriCare East
- UMR - Wausau/UHIS (formerly Fiserv Health - Wausau)
- United HealthCare
- US Family Health Plan of Texas and Louisiana
- WELLMED