Gary W. Falk, MD, MS

faculty photo
Professor of Medicine (Gastroenterology) at the Hospital of the University of Pennsylvania
Member, Hospital of the University of Pennsylvania Abramson Comprehensive Cancer Center Cancer Control Research Program
University Associate Staff, Children's Hospital of Philadelphia
Department: Medicine

Contact information
3400 Civic Center Boulevard
749 Perelman Center for Advanced Medicine
South Pavilion
Philadelphia, PA 19104
Office: 215-615-4951
Fax: 215-349-5915
Education:
HS
Stuyvesant High School, New York, New York , 1972.
B.S. (Biology-Geology. Cum laude with high distinction)
University of Rochester, Rochester, NY, 1976.
M.D.
University of Rochester School of Medicine and Dentistry, Rochester, NY, 1980.
M.S. (Clinical Research)
Case Western Reserve University School of Medicine Clinical Scholars Program, Cleveland, Ohio, 2006.
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Description of Clinical Expertise

Esophageal diseases including Barrett's esophagus, eosinophilic esophagitis, GERD diagnosis and treatment, achalasia, motility abnormalities, extraesophageal GERD, dysphagia, esophageal cancer

Description of Other Expertise

Consultative gastroenterology
Upper endosccopy
Endoscopic dilation
Endoscopic mucosal resection
Radiofrequency ablation
Pneumatic dilation
Colonoscopy
Polypectomy
High resolution manometry
BRAVO pH
Impedance pH
Hydrogen breath tests
Urea breath tests

Description of Research Expertise

Barrett's esophagus: chemoprevention, detection, diagnosis, cancer prevention, epidemiology, risk stratification, pathogenesis

Eosinophilic esophagitis: epidemiology, pediatric-adult transition, fibrosis, clinical trials, pathogenesis

Endoscopy: advanced imaging

Selected Publications

Mukkada VA, Gupta SK, Gold BD, Dellon ES, Collins MH, Katzka DA, Falk GW, Williams J, Zhang W, Boules M, Hirano I, Desai NK.: Pooled Phase 2 and 3 Efficacy and Safety Data on Budesonide Oral Suspension in Adolescents with Eosinophilic Esophagitis. J Pediatr Gastroenterol Nutr Sep 2023.

Dhaliwal L, Kamboj AK, Williams JL, Chandar AK, Sachdeva K, Gibbons E, Lansing R, Passe M, Perez JA, Avenir KLR, Martin SA, Leggett CL, Chak A, Falk GW, Wani S, Shaheen NJ, Kisiel JB, Iyer PG.: Prevalence and Predictors of Barrett's Esophagus After Negative Initial Endoscopy: Analysis From Two National Databases. Clin Gastroenterol Hepatol Sep 2023.

Davison JM, Goldblum JR, Duits LC, Khoshiwal AM, Bergman JJ, Falk GW, Diehl DL, Khara HS, Smolko C, Arora M, Siegel JJ, Critchley-Thorne RJ, Thota PN.: A Tissue Systems Pathology Test Outperforms the Standard of Care Variables in Predicting Progression in Patients with Barrett's Esophagus. Clin Transl Gastroenterol Aug 2023.

Leiman DA, Kamal AN, Otaki F, Bredenoord AJ, Dellon ES, Falk GW, Fernandez-Becker NQ, Gonsalves N, Hirano I, Katzka DA, Peterson K, Yadlapati R, Kathpalia P.: Quality Indicators for the Diagnosis and Management of Eosinophilic Esophagitis. Am J Gastroenterol 118: 1091-1095, Jun 2023.

Lynch KL, Benitez AJ, Godwin B, Klein J, Savant D, Wilkins BJ, Menard-Katcher C, Gluckman C, Falk GW, Muir A.: The Slender Esophagus: Unrecognized Esophageal Narrowing in Eosinophilic Esophagitis. Clin Transl Gastroenterol 14: e00564, Apr 2023.

Sharma P, Falk GW, Bhor M, Ozbay AB, Latremouille-Viau D, Gu�rin A, Shi S, Elvekrog MM, Limburg P.: Real-world upper endoscopy utilization patterns among patients with gastroesophageal reflux disease, Barrett esophagus, and Barrett esophagus-related esophageal neoplasia in the United States. Medicine (Baltimore) 102: e33072, Mar 2023.

Furuta GT, Fillon SA, Williamson KM, Robertson CE, Stevens MJ, Aceves SS, Arva NC, Chehade M, Collins MH, Davis CM, Dellon ES, Falk GW, Gonsalves N, Gupta SK, Hirano I, Khoury P, Leung J, Martin LJ, Menard-Katcher P, Mukkada VA, Peterson K, Spergel JM, Wechsler JB, Yang GY, Rothenberg ME, Harris JK.: Mucosal Microbiota Associated With Eosinophilic Esophagitis and Eosinophilic Gastritis. J Pediatr Gastroenterol Nutr 76: 347-354, Mar 2023.

Sharma P, Falk GW, Bhor M, Ozbay AB, Latremouille-Viau D, Guerin A, Shi S, Elvekrog MM, Limburg P.: Healthcare Resource Utilization and Costs Among Patients With Gastroesophageal Reflux Disease, Barrett's Esophagus, and Barrett's Esophagus-Related Neoplasia in the United States. J Health Econ Outcomes Res 10: 51-58, Mar 2023.

Kahn A, Song K, Dhaliwal L, Thanawala S, Hagen CE, Agarwal S, McDonald NM, Gabre JT, Falk GW, Ginsberg GG, Wolfsen HC, Ramirez FC, Leggett CL, Wang KK, Iyer PG.: Long-term outcomes following successful endoscopic treatment of T1 esophageal adenocarcinoma: a multicenter cohort study. Gastrointest Endosc 2023.

Thanawala SU, Kaplan DE, Falk GW, Beveridge CA, Schaubel D, Serper M, Yang YX.: Antibiotic Exposure is Associated With a Risk of Esophageal Adenocarcinoma. Clin Gastroenterol Hepatol 2023.

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Last updated: 11/09/2023
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