HFN (EPO, POS, PPO)
HealthStar, Inc. (PPO)
Humana (EPO, HMO, POS, PPO)
One Health Plan of Illinois (EPO, POS, PPO)
Preferred Health Network (EPO, POS, PPO)
Preferred Network Access (EPO, POS, PPO)
Preferred Plan Inc. (PPO)
Private Healthcare Systems, Inc. (PPO)
Unicare (formerly Rush Prudential) (PPO)
United Healthcare of Illinois (EPO, POS, PPO