Jonathan A. Flick, MD

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Jonathan A. Flick, MD, is a board certified pediatric gastroenterologist in the Division of Gastroenterology, Hepatology and Nutrition at Children's Hospital of Philadelphia.

Areas of Expertise: Celiac disease, Failure to thrive in infancy, Gastroesophageal reflux disease (GERD), GI polyposis syndromes, Malabsorption syndromes, Peptic disorders (gastroesophageal reflux, peptic ulcer disease, H. pylori infection)
Locations: Main Hospital; Specialty Care, King of Prussia; Buerger Center for Advanced Pediatric Care

Education and Training

Medical School

MD - Columbia University School of Medicine, New York, NY


Pediatrics - Rainbow Babies and Children's Hospital, Cleveland, OH


Pediatrics - Rainbow Babies and Children's Hospital, Cleveland, OH


Pediatric Gastroenterology - The Children's Hospital of Philadelphia, Philadelphia, PA

Board Certification

Pediatric Gastroenterology – American Board of Pediatrics
Pediatrics – American Board of Pediatrics

Titles and Academic Titles

Attending Physician

Chairman, GI Quality and Safety Committee

Clinical Professor of Pediatrics (Gastroenterology, Hepatology and Nutrition), Perelman School of Medicine at the University of Pennsylvania

Conditions Treated

Departments and Services




Haber BA, Flick J, Erlichman J: Biliary Atresia. BMJ Point of Care 2011.


Franciosi JP, Mascarenhas M, Semeao E, Flick J, Kelly J, Mamula P. Randomised controlled trial of paediatric magnetic positioning device assisted colonoscopy: a pilot and feasibility study. Dig Liver Dis. 2009 Feb;41(2):123-6. Epub 2008 Aug 23. Cited in PubMed; PMID 18723413. Read the abstract




Flick JA. Caustic ingestions. In: Liacouris CA, editor. Pediatric gastroenterology: the requisites in pediatrics. Philadelphia: Elsevier; 2007.


Flick JA. Diarrhea. In: Kliegman RM, Nieder ML, Super DM, editors. Practical strategies in pediatric diagnosis and therapy. Philadelphia: W.B. Saunders; 1996. Ch. 19.


Flick JA. Cystic fibrosis. In: Hyams JS, editor. Adolescent medicine: state of the art reviews - gastroenterology. Philadelphia: Hanley and Belfus; 1995.


Flick JA. Constipation in childhood. In: Bayless TM, editor. Current therapy in gastroenterology & liver disease - 4. Philadelphia: Mosby-Year Book; 1994.


Flick JA. Acute diarrhea. In Schwartz MW, Charney EB, Curry TA, Ludwig S, editors.  Pediatric primary care: a problem-oriented approach. 2nd ed. Chicago: Yearbook Medical Publishers; 1990. Ch. 22.


Flick JA. Constipation in childhood. In: Bayless TM, editor. Current therapy in gastroenterology and liver disease - 3. Toronto: B.C. Decker; 1989. 


Flick JA. Disorders of swallowing and esophageal motility. In: Rudolph AM, editor. Pediatrics. 18th ed. East Norwalk: Appleton Century-Crofts; 1987. Ch. 20.2.2.

Flick JA. Gastrointestinal polyps. In: Rudolph AM, editor. Pediatrics. 18th ed. East Norwalk: Appleton-Century-Crofts; 1987. Ch. 20.4.11.

Flick JA. Acute diarrhea. In Schwartz, MW, editor. Principles and practice of clinical pediatrics. Chicago: Yearbook Medical Publishers; 1987. Ch. 20.

Posters and Presentations


Bierly, Patricia; Brownell, Naylor; Flick, Jonathan.: A Unique Cause for Pancreatitis: Propofol. Submitted, Annual Meeting North American Society of Pediatric Gastroenterology, Hepatology and Nutrition 2023.

Awards and Honors

2018-2023, Top Doctor, Philadelphia Magazine

2011, 2014-2017, 2019, 2021-2022, Top Doctor, Main Line Today Magazine

2011, Top Physician, Suburban Life Main Line Magazine

1988-1990, Clinician-Scientist Award, Johns Hopkins University

1983-1985, National Research Service Award, NIH

1975, Phi Beta Kappa, Yale University

1975, Summa Cum Laude, Yale University

1975, Honors in Biology, Yale University

Editorial and Academic Positions

Editorial positions

1986-present, Peer reviewer, Journal of Pediatric Gastroenterology & Nutrition

Academic and institutional committees

2016-present, GI Division Mentorship Committee
2009-present, GI QI/Safety Committee

Leadership and Memberships

Memberships in Professional Organizations

1986-present, North American Society for Pediatric Gastroenterology & Nutrition