MarkStephenFedderMD

Gastroenterology • Maryville, IL

Advanced Endoscopic Interventional

Gastroenterology

Join to view full profile

Dr. Fedder is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
Connect with colleagues in the same hospital or clinic.
Read the latest clinical news, personalized to your specialty.

See Dr. Fedder's full profile

Already have an account?

Office
6810 State Route 162
Ste 211
Maryville, IL 62062
Phone+1 618-288-0346

Fax+1 618-288-0349

Education & Training

University of Illinois College of Medicine at ChicagoFellowship, Gastroenterology, 1986 - 1988
University of Illinois College of Medicine at ChicagoResidency, Internal Medicine, 1982 - 1985
University of Illinois College of MedicineClass of 1982

Certifications & Licensure

IL State Medical License 1982 - 2026
American Board of Internal Medicine Internal Medicine