Gary Falk, MD, Gastroenterology, Philadelphia, PA, Hospital of the University of Pennsylvania


Gastroenterology Philadelphia, PA

Esophagus Disease, Gastrointestinal Cancer

Professor of Medicine University of Pennsylvania Perelman School of Medicine

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  • Dr. Gary Falk is a gastroenterologist in Philadelphia, PA and is affiliated with multiple hospitals in the area, including Hospital of the University of Pennsylvania, Penn Presbyterian Medical Center, and Children's Hospital of Philadelphia. He received his medical degree from University of Rochester School of Medicine and Dentistry and has been in practice 37 years. He specializes in esophageal disease and gastrointestinal cancer and is experienced in Barrett's esophagus, eosinophilic esophagitis, gastroesophageal reflux, achalasia,interventional gastroenterology, esophageal cancer, and esophageal diseases.

Education & Training

  • Case Western Reserve UniversityMS, Clinical Reseach, 2002 - 2006
  • Case Western Reserve University School of MedicineM.S., Clinical Research, 2002 - 2006
  • U MichiganFellowship, 1986
  • George Washington University
    George Washington UniversityResidency, Internal Medicine, 1980 - 1983
  • University of Rochester School of Medicine and Dentistry
    University of Rochester School of Medicine and DentistryClass of 1980
  • University of RochesterB.S., Biology-Geology, Cum Laude With High Distinction, 1972 - 1976

Certifications & Licensure

  • PA State Medical License
    PA State Medical License 2009 - 2022
  • OH State Medical License
    OH State Medical License 1986 - 2011
  • MI State Medical License
    MI State Medical License 1983 - 1988
  • DC State Medical License
    DC State Medical License 1982 - 1983
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Gastroenterology

Awards, Honors, & Recognition

  • AGA Distinguished Clinician Award 2014
  • AGA Imaging & Advanced Technology Section Research Mentor Award 2014
  • America's Top Doctors Castle Connolly, 2010-2014
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Clinical Trials

Publications & Presentations


Journal Articles

  • Anti–Siglec-8 Antibody for Eosinophilic Gastritis and Duodenitis  
    Evan S Dellon, Kathryn A Peterson, Gary W Falk, Nirmala Gonsalves, Michael Vaezi, Adam C Bledsoe, Alan T Chang, Ikuo Hirano, The New England Journal of Medicine
  • 2017 David Sun Lecture: Screening and Surveillance of Barrett’s Esophagus: Where Are We Now and What Does the Future Hold?  
    Gary Falk, MD, Nature
  • Increasing Prevalence of High-Grade Dysplasia and Adenocarcinoma on Index Endoscopy in Barrett’s Esophagus over the Past 2 Decades: Data from a Multicenter U.S. Consor...  
    David A Lieberman, Prashanthi Thota, Sravanthi Parasa, Ajay Bansal, Srinivas Gaddam, Fouad J Moawad, Richard Sampliner, Gary W Falk, Gastrointestinal Endoscopy
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Books/Book Chapters

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  • Autophagy is an epithelial cytoprotective mechanism in esophageal epithelial cells in response to Eosinophilic Esophagitis-associated inflammation
    Whelan KA, Merves J, Muir AB, Guo A, Modayur Chandramouleeswaran P, Dods K, DeMarshall M, Que J, Spergel J, Wang ML, Nakagawa H, Digestive Disease Week and the 116th annual meeting of the American Gastroenterological Association, Washington DC, 1/16/2015
  • Increased Detection of Barrett’s esophagus (BE)-associated Neoplasia using Wide-Area Transepithelial Sampling in Conjunction with 4-Quadrant Biopsies: Interim Results ...
    Vennalaganti, P., Eisen G, Gerson L, Gross S, Goldblum JR, Gupta N, Haber G, Infantolino A, Iyer PG, Johnson DA, Kaul V, Kothari S, Lightdale C, Shaheen NJ, SmithMS, ..., Digestive Disease Week 2015, Washington DC, 1/1/2015
  • Matrix-stiffness enhances esophageal fibroblast activation, proliferation and contractility in pediatric and adult fibroblasts
    Muir AB, Dods K, Henry S, Benitez AJ, DeMarshall M, Falk G, Wells RG, Hammer D, Nakagawa H, Wang ML, Digestive Disease Week 2015, Washington DC, 1/1/2015
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  • Gastroesophageal Reflux Disease and Barrett’s Esophagus 
    San Diego, CA, 2013; San Diego, CA, 2014; Las Vegas, NV, 2015 - 1/1/2015
  • Challenging Issues in the Management of GERD and Barrett’s Esophagus 
    Robert Wood Johnson University Hospital, New Brunswick, NJ - 1/1/2015
  • Barrett’s Esophagus: Who and How to Ablate 
    Washington, DC - 1/1/2015
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  • Barrett’s esophagus pathophysiology and treatment 
    Falk GW, The American Gastroenterological Association GTP on Barrett’s esophagus
  • Medical therapy of GERD 
    Falk GW, Audio-Digest Gastroenterology
  • Cardiovascular effects of COX-2 inhibitors: the jury is still out 
    Falk GW, Massachusetts Medical Society Journal Watch Audio
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Press Mentions

  • Pavmed’s Lucid Diagnostics Enters Clinical Trial with U of Penn
    Pavmed’s Lucid Diagnostics Enters Clinical Trial with U of PennMarch 2nd, 2020
  • 8 Gastroenterologists in the News
    8 Gastroenterologists in the NewsJuly 12th, 2019
  • 22 GI Leadership Moves in 2019 so Far
    22 GI Leadership Moves in 2019 so FarJuly 8th, 2019
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Professional Memberships

Hospital Affiliations