Steven J. Fusillo, MD

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Steven J. Fusillo, MD, is an attending physician in the Division of Gastroenterology, Hepatology and Nutrition at Children's Hospital of Philadelphia.

Areas of Expertise: inflammatory bowel disease (IBD)
Locations: Main Campus; Specialty Care, Princeton at Plainsboro

Appointments and Referrals: 215-590-3630
Questions/More Information: 267-425-2739

Education and Training

Medical School

MD - Tufts University School of Medicine, Boston, MA


Pediatrics - Children's Hospital at Montefiore, Bronx, NY


Gastroenterology, Hepatology and Nutrition - Children's Hospital of Philadelphia, Philadelphia, PA

Titles and Academic Titles

Attending Physician

Conditions Treated

Departments and Services




Fusillo S, Rudolph B: Nonalcoholic fatty liver disease. Pediatr Rev 36(5): 198-205, May 2015.

Posters and Presentations


Fusillo SJ, Chang V, Stein RE, Maxwell EC, Conrad MA, Albenberg LG, Grossman AB, Mamula P, Piccoli DA, Baldassano RN, Kelsen JR. Ustekinumab Responders Versus Non-responders in Refractory Pediatric Inflammatory Bowel Disease. Oral Presentation, Digestive Disease Week, Washington, DC. June 2018


Fusillo SJ, Olson T, Conrad M, Baldassano R, Grossman A, Kelsen J: Infliximab Dose De-escalation in Pediatric Inflammatory Bowel Disease:  A Single-Center Experience, Poster Presentation. North American Society of Pediatric Gastroenterology, Hepatology, and Nutrition Annual Meeting, Las Vegas, NV Nov 2017.

Fusillo SJ, Chang V, Albenberg L, Baldassano R, Conrad MA, Grossman A, Mamula P, Maxwell E, Piccoli D, Stein R, Kelsen J: Ustekinumab Therapy in Severe Pediatric Inflammatory Bowel Disease, Poster Presentation. North American Society of Pediatric Gastroenterology, Hepatology and Nutrition Annual Meeting, Las Vegas, NV Nov 2017.


Fusillo S, Kelsen J, Ruchelli E: Infantile Hyaline Fibromatosis:  A Rare Cause of Neonatal Diarrhea, Poster Presentation. The World Congress of Pediatric Gastroenterology, Hepatology and Nutrition, Montreal QB Oct 2016.

Awards and Honors

2018, Komarov Research Symposium, 2nd Prize, "Ustekinumab Therapy in Refractory Pediatric Inflammatory Bowel Disease"

2015, Inductee, Leo M. Davidoff Society of the Albert Einstein College of Medicine

Leadership and Memberships

Memberships in Professional Organizations


2013-present, North American Society for Pediatric Gastroenterology, Hepatology and Nutrition


2017-present, American Gastroenterological Association