Skip to main content
Mark Fedder, MD, Gastroenterology, Maryville, IL

Mark Stephen Fedder MD

Advanced Endoscopic Interventional


Gastroenterology

Join to View Full Profile
  • 6810 State Route 162Ste 211Maryville, IL 62062

  • Phone+1 618-288-0346

  • Fax+1 618-288-0349

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.

Education & Training

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

Certifications & Licensure

  • IL State Medical License
    IL State Medical License 1983 - 2026
  • Internal Medicine
    American Board of Internal Medicine Internal Medicine

Viewing the full profile is available to verified healthcare professionals only.

Find your profile and take control of your online presence: