PLANO PHYSICIANS NETWORK (PPN) Accountable Health Plan PPO Aetna HMO Aetna PPO Beech Street PPO Blue Cross Blue Shield of Texas PPO CCN PPO CCN Workers Compensation Cigna PPO Cigna HMO Community Health Plan PPO Doctor and Patient IPN PPO Harris Summit TPA Healthsmart Preferred Care PPO Medcorp Southwest PPO Medical Control Multiple Independent School Districts Pacificare HMO PlanVista (Formerly NPPN) Richardson Independent School District PPO USC health Services PPO