Managed Care Contracts:

Aetna Healthcare (PPO, POS, HMO)
Blue Cross Blue Shield of Illinois PPO
Blue Choice POS
Coventry/FirstHealthPPO 
Health Marketing PPO
HFN PPO
Advocate Lutheran General Health Plan - Dr. Spencer only
Medicare
One Health Plan  (PPO, POS, HMO)
PHCS PPO
PNA PPO
PPO Next
Principal Health Care PPO
Workers Choice through Blue Cross Blue Shield of Illinois