Gayle H. Diamond, MD

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Gayle H. Diamond, MD, is a Board Certified Pediatric Gastroenterologist in the Division of Gastroenterology, Hepatology and Nutrition at Children's Hospital of Philadelphia.

Areas of Expertise: General pediatric gastroenterology, Diagnosis and management of gastrointestinal diseases in all pediatric age groups
Locations: Specialty Care, Princeton at Plainsboro; Main Hospital; Buerger Center for Advanced Pediatric Care

Education and Training

Medical School

MD - Temple University School of Medicine, Philadelphia, PA


Pediatrics - Emory University, Atlanta, GA


Pediatrics - Emory University, Atlanta, GA


Pediatric Gastroenterology - Emory University, Atlanta, GA

Board Certification

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

Titles and Academic Titles

Attending Physician

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

Conditions Treated

Departments and Services




Lewis MI, Horvitz GD, Clemmons DR, Fournier M: Role of IGF-I and IGF-binding proteins within diaphragm muscle in modulating the effects of nandrolone. American Journal of Physiology. Endocrinology and Metabolism 282(2): E483-90, 2002.


Clemmons DR, Horvitz G, Engleman W, Nichols T, Moralez A, Nickols GA: Synthetic alphaVbeta3 antagonists inhibit insulin-like growth factor-I-stimulated smooth muscle cell migration and replication. Endocrinology 140(10): 4616-21, 1999.


Rees C, Clemmons DR, Horvitz GD, Clarke JB, Busby, WH: A protease-resistant form of insulin-like growth factor (IGF) binding protein 4 inhibits IGF-1 actions. Endocrinology 139(10): 4182-8, 1998.


Imai Y, Busby WH, Smith CE, Clarke JB, Garmong AJ, Horvitz GD, Rees CR, Clemmons DR: Protease-resistant form of insulin-like growth factor-binding protein 5 is an inhibitor of insulin-like growth factor-I actions of porcine smooth muscle cells in culture. Journal of Clinical Investigation 100(10): 2596-2605, 1997.

Awards and Honors

2016-2018, 2021, Division of GI, Hepatology, and Nutrition, Fellows Teaching Award Honor Roll

2006-2008, NIH Loan Repayment Program

2006, Travel award for AGA fellows’ training conference

Editorial and Academic Positions

Academic and Institutional Committees

2019-present, Fellowship Clinical Competency Committee

Leadership and Memberships

Memberships in Professional Organizations


2006-present, North American Society for Pediatric Gastroenterology, Hepatology and Nutrition
 - 2020-present, Nutrition Committee