Home > Find A Doctor Find A Doctor Search for a physician or surgeon with privileges at Passavant Area Hospital below. For healthcare providers: Online Provider Verification Edem S. Agamah, MD Oncology / Internal Medicine SIU Medicine P. O. Box 19678Springfield, IL Phone Number: 217-545-8000 Fax: 217-545-7021 Website: https://www.siumed.org/doctor/edem-s-agamah.html Back to Care Providers