Michael J. Willenborg, M.D.
Aetna PPO
Aetna Aexcel (Designated)
BeechStreet PPO
Blue Cross Par Plan
Blue Cross Health Select
BlueChoice PPO (Not HMO Blue)
BlueChoice Solutions (See Plan for Designated Doctors)
CCN/First Health PPO
ChoiceCare Network
Cigna PPO, HMO (POS), Open Access Plus
Cigna Care Network (Designated)
First Health PPO
Great-West Healthcare PPO, HMO, POS, Open Access
HealthSmart Preferred Care, Inc. PPO/North Texas Health Network
Humana/With ChoiceCare Network Only
Integrated Health Plan PPO
Interplan PPO (Accountable Health Plans of America)
Multiplan, Inc. PPO
PacifiCare PPO
Private Healthcare Systems (PHCS) PPO
Texas Retirement System (TRS)
Texas True Choice
Tricare Standard Only
Unicare PPO
United Healthcare - All Plans
USA Managed Care Organization PPO
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