About Allan L. Peck, MD

Dr. Allan Peck is a lifelong Cincinnati resident who attended Walnut Hills High School and completed college at Duke University. He attended the University of Cincinnati College of Medicine for his medical degree and completed his Residency in Internal Medicine at George Washington University. His Gastroenterology Fellowship was completed at The University of Maryland. Dr. Peck is Board certified in Gastroenterology and is a Fellow of the American Gastroenterological Association.

Dr. Peck has practiced in Cincinnati hospitals for over 25 years. He has served as director of the Digestive Institute at a large local hospital and President of Endoscopy Center North for many years. He has also participated in numerous pharmaceutical clinical trials.

Dr. Peck’s practice focus is general gastroenterology with a particular interest in performing colon cancer screenings and treating patients with Inflammatory Bowel Disease (Crohn’s Disease and Ulcerative Colitis) and disorders such as reflux and irritable bowel syndrome.

Dr. Peck has consistently high patient satisfaction ratings and believes that successful outcomes are based on a compassionate and wholistic approach to patients and their circumstances. He has been repeatedly named a Cincinnati Top Doctor by Cincinnati Magazine and a recipient of the Bethesda Family Practice Teacher of the Year award multiple times.

In addition to practicing medicine, Dr. Peck enjoys spending time with his wife and mentoring his two daughters in medical school. He also enjoys golfing, traveling, and anything to do with Cincinnati sports.

Conditions & Procedures

  • Abdominal Pain
  • Acid Reflux & GERD
  • Anal Fissures
  • Anemia
  • Barrett's Esophagus
  • Biliary Disease
  • Celiac Disease
  • Cirrhosis
  • Clostridium Difficile (C.Diff)
  • Colitis
  • Colon Cancer Screening
  • Colon Diseases & Polyps
  • Colorectal (Colon) Cancer
  • Constipation
  • Crohn’s & Ulcerative Colitis
  • Diarrhea
  • Diverticulitis
  • Dyspepsia
  • Dysphagia
  • Esophageal Disease
  • Fecal Incontinence
  • Gallbladder Disease
  • Gastritis
  • Gastrointestinal Bleeding
  • Gastroparesis
  • H. Pylori
  • Hemorrhoids
  • Hepatitis
  • Indigestion
  • Inflammatory Bowel Disease
  • Irritable Bowel Syndrome
  • Liver Disease
  • Pancreatic Disease & Pancreatitis
  • Peptic Ulcer Disease
  • Radiation Proctitis
  • Swallowing Disorders
  • Capsule Endoscopy (Pill Cam)
  • Colonoscopy (Screening & Diagnostic)
  • EGD (Upper Endoscopy)
  • Enteroscopy (Small & Large Bowel)
  • Esophageal Dilation
  • Esophageal pH Testing (Bravo)
  • Esophageal pH Testing (Breath Test)
  • Flexible Sigmoidoscopy

Office Locations

Primary Location

Picture of the Montgomery (8231) Office

Montgomery (8231)

8231 Cornell Rd.
Suite 320
Cincinnati, OH 45249

Phone: 513-794-5600
Fax: 513-587-0470

Additional Locations


7372 Liberty One Dr.
Liberty Township, OH 45044

Phone: 513-751-6667
Fax: 513-682-4186


Procedure Locations

Having a procedure? It may not always be in the same location where you consulted with your doctor. Check with your doctor to make sure you’re headed to the right place.



University of Cincinnati College of Medicine


George Washington University School of Medicine


University of Maryland Medical Center


University of Maryland Dental School

Professional Highlights


Board Certified in Gastroenterology

Awards & Recognitions

  • Cincinnati Magazine Top Doctor
  • Teacher of the Year, Bethesda Family Practice

Professional Memberships

  • American Gastroenterological Association, Fellow