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Timothy A. S. Sentongo, MD

Associate Professor of Pediatrics

Director, Pediatric Nutrition Support Service

Director, Pediatric Gastrointestinal Endoscopy

Dr. Timothy Sentongo specializes in gastrointestinal problems impacting growth and nutrition in infants, children and adolescents. He has a particular interest in children with chronic illnesses such as short bowel syndrome, food intolerances, feeding problems and cystic fibrosis, which can lead to impaired growth and require specialized nutrition support and gastrointestinal care.

Dr. Sentongo’s research focuses on improving treatment and therapies for children and adolescents with short bowel syndrome, parenteral nutrition (TPN), eosinophilic esophagitis, growth problems and nutritional deficiencies.

Practice Location

The University of Chicago Medicine Comer Children's Hospital
5721 S. Maryland Avenue
Chicago, IL 60637

University of Chicago Medicine Comer Children's at Edward 
Medical Office Building II 
120 Spalding Drive, Suite 407 
Naperville, IL 60540

Year Started Practice


Board Certifications

Pediatrics Gastroenterology/Nutrition

Medical School

Makerere University


Mulago Hospital, Kampala, Uganda


Metro Health Medical Center, Cleveland


The Children’s Hospital of Philadelphia


American Gastroenterological Association
American Society for Nutrition
American Society for Parental and Enteral Nutrition
North American Society of Pediatric Gastroenterology, Hepatology & Nutrition

Language Spoken


Office Phone

(773) 702-6418

Office Fax

(773) 702-0666

Office Postal Address

Timothy Sentongo, MD
The University of Chicago Medicine
5841 S. Maryland Avenue, MC 4065
Chicago, IL 60637

Physician Photo

Clinical Interests

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Learn More About Dr. Sentongo

Born prematurely and with a severe form of gastroschisis, Theo McVay came to Comer Children's Hospital, where Dr. Sentongo was part of a multidisciplinary team that coordinated the infant's complex care.

Learning to live with eosinophilic esophagitis (EoE) is a journey for patients and families. Read how Dr. Sentongo and his colleagues are helping five-year-old Drew Mastrino and his parents to manage this rare allergic inflammatory disease.

Selected Publications

View a partial list of Dr. Sentongo's publications through the National Library of Medicine's PubMed online database