John R. Scherer, MD

Dr. John R. Scherer joined Ohio Gastroenterology Group in 2014 after completing an advanced endoscopy training program at The University of Pittsburgh Medical Center. This additional fellowship year provided him with specialized training in advanced endoscopy techniques including endoscopic ultrasound, fine needle aspiration, endoscopic mucosal resection, radiofrequency ablation and cryoablation of Barrett’s esophagus, as well as training in esophageal, enteral, and colonic stenting. Dr. Scherer served as the chief fellow at UPMC and has earned numerous honors related to clinical care and research. Dr. Scherer is board certified in Internal Medicine and Gastroenterology. He is married to Dr. Karolina Zareba, a Cardiologist at The Ohio State University Medical Center, and they have a wonderful son named Christopher.

Primary Practice Location:

3400 Olentangy River Road
Columbus, OH 43202


Colonic Stent Placement
Esophagogastroduodenoscopy (EGD)
EGD with Band Ligation
EGD with Bravo
EGD with Cryotherapy
EGD with Endoscopic Mucosal Resection
EGD with Halo Ablation
Endoscopic Ultrasound (EUS), Upper & Rectal
Enteral Stenting
Esophageal Stent Placement
Fecal Microbiota Transplantation
Flexible Sigmoidoscopy
Interpretation of Wireless Capsule Endoscopy
Percutaneous Endoscopic Gastrostomy
Small Bowel Enteroscopy

Hospital Appointments:

Riverside Methodist Hospital, Columbus, Ohio
Dublin Methodist Hospital, Dublin, Ohio
Mount Carmel Hospital East, Columbus, Ohio
Mount Carmel Hospital West, Columbus, Ohio
Mount Carmel St. Ann’s Hospital, Westerville, Ohio

Board Certification:

American Board of Internal Medicine, Gastroenterology, 2013
American Board of Internal Medicine, 2010


Univ. of Rochester School of Medicine & Dentistry, Rochester, NY – MD, 2007
Central Michigan University, Mt. Pleasant, MI – BS, 2003

Professional Training:

Univ. of Pittsburgh Medical Center, Pittsburgh, PA – Advanced Endoscopy Fellowship, 2013-2014
UPMC Presbyterian, Pittsburgh, PA – Gastroenterology Fellowship, 2010-2013
Northwestern Memorial Hospital, Chicago, IL – Internal Medicine Internship & Residency, 2007-2010