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Internist, Gastroenterologist (digestive)
35 years of experience
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. David Lieberman:

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  1. Qualifications
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Patient Reviews

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The overall average patient rating of Dr. David Lieberman is Excellent. Dr. Lieberman has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Specialties & Research

Dr. David Lieberman, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 23 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Barrett Esophagus
  • Bile Duct inflammation (Cholangitis)
  • Cholestasis
  • Colectomy
  • Colon Cancer
  • Colonic Polyps
  • Colonoscopy
  • Colorectal Cancer
  • Common Bile Duct Diseases
  • Constipation
  • Endoscopy (Endoscopic Surgery)
  • Esophageal Diseases
  • Esophageal and Gastric Varices
  • Esophagoscopy
  • Extrahepatic Cholestasis
  • Gastrointestinal Diseases (GI Diseases)
  • Gastrointestinal Endoscopy
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • > Show all expertise

Education & Awards

Dr. Lieberman graduated from University of Michigan Medical School, Ann Arbor. He has 7 awards.

One of America's Leading Experts on:
Colon Cancer (Colonic Neoplasm)
Colonic Polyps
Colorectal Cancer (Colorectal Neoplasm)
Extrahepatic Cholestasis
Gastrointestinal Endoscopy


Dr. Lieberman has 3 hospital affiliations:

  • Oregon Health Science University 
  • OHSU Hospital 
  • Veterans Affairs Medical Center - Portland 

> > > > Dr. David Lieberman, MD

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Additional Information
Dr. David Alan Lieberman MD is a male Internist, has 35 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. David A. Lieberman practice?
Dr. David Lieberman has 1 office location.
Dr. David Lieberman practices Internal Medicine and Gastroenterology near Portland, OR.
See Portland Internists and Portland Gastroenterologists.