Suggest an Edit Name* Categories* Doctor Hospital Pharmacy Add category State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 05:00 pm Tuesday: 09:00 am — 05:00 pm Wednesday: 09:00 am — 05:00 pm Thursday: 09:00 am — 05:00 pm Friday: 09:00 am — 05:00 pm Saturday: 09:00 am — 03:00 pm Company description Dr. Mark Stephen Fedder located in the city of Maryville, state Illinois. The legal address of the Doctor 6810 State Route 162. Directions to the Doctor Dr. Mark Stephen Fedder can be found on our interactive map. Ask your questions by calling 6182880346 on workdays.</br></br></br>NPI number: Data not provided</br>Provider's gender: Data not provided</br>Practice names: Data not provided</br>Board certifications: American Board of Internal Medicine Certification in Internal Medicine American Board of Internal Medicine Sub-certificate in Gastroenterology (Internal Medicine) Your comments (not for publishing) * — Required information Dr. Mark Stephen Fedder - Maryville ← View details 6810 State Route 162, Illinois, Maryville, 62062, Maryville, Illinois 62062 6182880346