Mark Fedder, MD
Gastroenterology
21+ years in practiceNPI: 1922009943Licensed in IL
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Credentials & Recognition
Specialties
Gastroenterology
NPI sub-specialties
Internal Medicine, Gastroenterology207RG0100X
Practice Signals
Editorial signals beyond credentials. Patient transparency over opacity. See methodology.
Mid-Level (PA/NP) Use
Doctor-led visits
Years in Practice
21+ years
Estimated from NPI enumeration date
Other Gastroenterology Doctors near Illinois
View all →Frequently Asked Questions about Dr. Mark Fedder, MD
Where does Dr. Mark Fedder, MD practice?+
Dr. Mark Fedder, MD practices in Illinois, IL. 6810 STATE ROUTE 162
SUITE 211
MARYVILLE, IL 620628501.
What is Dr. Mark Fedder, MD's phone number?+
Dr. Mark Fedder, MD's practice phone is 618-288-0346. Office contact information is verified on the PBCMMG profile.
What does Dr. Mark Fedder, MD specialize in?+
Dr. Mark Fedder, MD's primary specialty is Gastroenterology.
Is Dr. Mark Fedder, MD board certified?+
Board certification status for Dr. Mark Fedder, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Mark Fedder, MD been practicing?+
Dr. Mark Fedder, MD has been in active practice for 21+ years, based on NPI enumeration and state licensing records.
What is Dr. Mark Fedder, MD's NPI number?+
Dr. Mark Fedder, MD's National Provider Identifier (NPI) is 1922009943, registered in the federal NPPES registry.
Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards
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