He graduated with honors in 1984. Having more than 33 years of diverse experiences, especially in CLINICAL PSYCHOLOGIST, Gerard J Erker affiliates with Ssm Health Depaul Hospital St Louis, and cooperates with other doctors and specialists in medical group Ssm Select Rehab St Louis LLC. Call Gerard J Erker on phone number (314) 768-5205 for more information and advises or to book an appointment.