John Hahn, MD
Gastroenterology · Ophthalmology
21+ years in practiceNPI: 1548260961Licensed in IL
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Credentials & Recognition
Specialties
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 New Jersey
View all →Frequently Asked Questions about Dr. John Hahn, MD
Where does Dr. John Hahn, MD practice?+
Dr. John Hahn, MD practices in New Jersey, NJ. 10 W 3RD ST
STERLING, IL 610813503.
What is Dr. John Hahn, MD's phone number?+
Dr. John Hahn, MD's practice phone is 815-625-4790. Office contact information is verified on the PBCMMG profile.
What does Dr. John Hahn, MD specialize in?+
Dr. John Hahn, MD's primary specialty is Gastroenterology, with additional focus on Ophthalmology.
Is Dr. John Hahn, MD board certified?+
Board certification status for Dr. John Hahn, 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. John Hahn, MD been practicing?+
Dr. John Hahn, MD has been in active practice for 21+ years, based on NPI enumeration and state licensing records.
What is Dr. John Hahn, MD's NPI number?+
Dr. John Hahn, MD's National Provider Identifier (NPI) is 1548260961, 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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