Education and Training

Medical School

MD - Pritzker School of Medicine, The University of Chicago, Chicago, IL


Pediatrics - Comer Children's Hospital, The University of Chicago, Chicago, IL


Pediatric Gastroenterology - Children's Hospital of Philadelphia, Philadelphia, PA
Advanced Clinical Nutrition - Children's Hospital of Philadelphia, Philadelphia, PA

Board Certification

Pediatric Gastroenterology – American Board of Pediatrics
Pediatrics – American Board of Pediatrics
Physician Nutrition Specialist (PNS) – National Board of Physician Nutrition Specialists (NBPNS)

Additional Training

Certificate of Clinical Epidemiology and Biostatistics - University of Pennsylvania, Philadelphia, PA

Titles and Academic Titles

Attending Physician

Instructor, Perelman School of Medicine at the University of Pennsylvania

Departments and Services

Research Interests





Kastl A*, Zong W*, Gershuni VM*, Friedman ES, Tanes C, Boateng A, Mitchell WJ, O’Connor K, Bittinger K, Terry NA, Bales C, Albenberg L, Wu GD. Dietary fiber-based regulation of bile salt hydrolase activity in the gut microbiota and its relevance to human disease. Gut Microbes 2022. 14 (1). (*co-first authors)

Zong W, Trout R, Merves J. Blenderized Enteral Nutrition Formulas in Pediatric Short Bowel Syndrome: Tolerance and Clinical Outcomes. Nutrition in Clinical Practice 2022.


Albenberg L, Zong W. A Boy with Frequent Diarrhea: Differentiating IBS from IBD. Medscape. March 2019.


Duncan M, Zong W, Hageman J: Non-Alcoholic Fatty Liver Disease and Non-Alcoholic Liver Disease in Pediatrics  Pediatric Annal 45(2): e54-8, 2016.


Zong W, Osterhout P, Waggoner DJ, Sriram S. Infant with Dysmorphic Face and Broad Thumbs. Neoreviews 2015. 16 (9) e551-4.




Brook I, Albenberg L, Zong W, Long S.S. Anaerobic Bacteria: Clinical Concepts and the Microbiome in Health and Disease. Principles and Practices of Pediatric Infectious Diseases. Sarah S. Long (eds.). Elsevier, 6th edition: Chapter 187, 2021.

Posters and Presentations


Zong W, Allu S.R., Friedman E.S., Firrman J, Tu V, Bittinger K, Liu L.S., Vinogradov S.A., Wu G.D.. Disruption of Intestinal Oxygen Dynamics During Acute Colitis Alters the Gut Microbiome. Poster presentation at DDW annual conference 2022. San Diego, CA.

Kastl A, Zong W, Gershuni V, Friedman E.S., Tanes C, Boateng A, Mitchell W.J., O’Connor K, Bittinger K, Terry N, Bales C, Albenberg L, Wu G.D.. Clinical Phenotyping of Patients with Short Bowel Syndrome via Effects of Diet and the Gut Microbiota on Bile Acid Metabolism. Poster presentation at DDW annual conference 2022. San Diego, CA.


Zong W. Outcome of Blenderized Feeds in Children with Short Bowel Syndrome. Poster presentation at American Society of Parenteral and Enteral Nutrition (ASPEN) Nutrition Science and Practice Conference. 2021. Virtual due to pandemic.


Zong W, Allu SR, Friedman E, Vinogradov SA, Wu GD: "Oxygen Dynamic in Intestinal Tissue is Altered in Acute Colitis" Poster of Distincition. NASPGHAN annual conference, Chicago, IL 2019.

Zong W, Patel A, Chang V, Baldassano R, Albenberg L: "Phenotype and Outcome of Inflammatory Bowel Disease in Asian Pediatric Patients" Poster presentation. NASPGHAN annual meeting, Chicago, IL 2019.


Moore H, Zong W, Webster J, Fiorino K: "Chronic Gaseous Abdominal distension and Intestinal Dysmotility - A Unique Etiology," Poster Presentation. NASPGHAN annual conference, Hollywood, FL 2018.

Zong W, Spector S, Ufberg P, Russo P: "A Rare Cause of Chronic Abdominal Pain" Poster presentation. NASPGHAN annual conference, Hollywood, FL 2018.

Invited Lectures


Zong W, Paul E. Carnitine Supplementaion in TPN. Oral presentation at CHOP Nutrition Center Seminar Series. 2022. Philadelphia, PA.


Zong W. "Cholestasis and Long-Term Neurodevelopmental Outcomes of Preterm Infants on Parenteral Nutrition Therapy," ASPEN Nutrition Science and Practice Conference, Las Vegas, NV. Jan 2018.

Awards and Honors

2021-2023, NASPGHAN Foundation/Nestle Nutrition Research Young Investigator Development Award
2021-2022, PennCHOP Microbiome Pilot Grant Award
2014, Pediatric Departmental Award for Research, Pritzker School of Medicine, University of Chicago
2013-2014, Calvin Fentress Research Fellowship Award, University of Chicago
2011, Dennis and Anita Lee Scholar, Pritzker School of Medicine, The University of Chicago
2011, University of Chicago Arts Student Summer Fellowship
2007-2010, PCBio Fellowship, The College at the University of Chicago

Editorial and Academic Positions

Academic and Institutional Committees

2021-present, GME Diversity Subcommittee

Leadership and Memberships

Memberships in Professional Organizations

2017-present, American Gastroenterological Association
2017-present, North American Society for Pediatric Gastroenterology, Hepatology and Nutrition
 - 2022-present, Nutrition Committee
2014-present, American Academy of Pediatrics
American Society for Parenteral and Enteral Nutrition