Aetna HMO/POS/PPO
Aetna Medicare
Aetna National Advantage
Aetna Signature
AmeriChoice Star UHC
Beech Street/Capp Care
Beech Street Work Comp
Blue Bell Benefit Trust EPO
Blue Cross: HMO Blue Texas
Blue Cross: Blue Choice PPO
Blue Cross: Blue Choice Solutions
Blue Cross: PAR/Traditional
Caring Physicians Network
CCN Work Comp
ChampVA
Cigna /Managed Care
Cigna Network Lease
Cigna Network Lease Mini Med
Cigna PPO
CorVel PPO
Corvel Work Comp
Coventry Medicare Advantage PPO
Coventry National Network
Dept. of Assistive & Rehab Svcs (fka TX Rehab Commission)
Dr. Pizza - Work Comp only
ElderHealth Medicare HMO
Ever Care (Medicare HMO)
EverCare STAR PLUS
Fiesta EPO
First Health PPO
Galaxy Health Network PPO
Health Management Network PPO
Healthscope - Tenet Employees
HealthSmart/HPO Wrap
Healthsmart/Interplan Direct
Healthsmart WC 
Hospice Preferred Choice HMO
Houston Hospice
Humana
Human Medicare Advantage PPO
Human Military Healthcare Service (TRICARE)
Independent Medical Systems
Medcorp Southwest Inc PPO
Medical Savings Health Insurance Company
Multi Plan PPO
National Choice Care PPO
National Choice Work Comp
National Preferred Provider Network PPO
National Provider Network - Work Comp
Odyssey Hospice
PCCM/Texas Health Netwrok
PHCS Savility
Premier
Prime Health Services PPO
Prime Health Services Medicare Advantage PPO
Prime Health Services Work Comp
Private Healthcare Systems EPO/POS/PPO
Private Healthcare PPO
Provider Strategies
Secure Horizons Managed Medicare HMO
SelectCare Managed Medicare HMO
Texas Children's Health Plan CHIP
Texas Children's Health Plan HMO 
Texas Children's Health Plan STAR (Medicaid)
Texas Healthcare Foundation - Workers Comp only
Texas HealthSpring HMO
Texas True Choice
Three Rivers
Unicare Health Plan HMO/POS
Unicare PPO
United HealthCare Options
United Healthcare Non-Options