Jae Kim, M.D., Ph.D.


Gastroenterology, Hepatology and Nutrition


3020 Children's Way
MC 5030
San Diego, CA 92123


Gastroenterology, Hepatology and Nutrition


Rady Children's Specialists of San Diego

Medical Group / IPA

Rady Children's Specialists

Medical School

University of Toronto Ontario Canada


Toronto Western Hospital GME


Hospital for Sick Children, University of Toronto


Hospital for Sick Children, University of Toronto

Board Certifications

Pediatric Gastroenterology, Pediatrics




Dr. Jae Kim is an attending neonatologist and gastroenterologist at Rady Children's Hospital-San Diego and a clinical professor of pediatrics at UC San Diego in both the Neonatology and Pediatric Gastroenterology Departments.

Dr. Kim earned his undergraduate and medical degrees at the University of Toronto. He continued his medical education with an internship at Toronto Western Hospital before completing a pediatric residency and a pediatric gastroenterology and nutrition fellowship at the Hospital for Sick Children. He went on to earn his Ph.D. and to complete a fellowship in neonatal-perinatal medicine at the same institution.

Dr. Kim's special interests include neonatal nutrition, neonatal bowel injury, bedside ultrasound and resuscitation. His current research centers on optimizing human milk feeding for the premature infant, pioneering the use of bedside ultrasound in the NICU and innovation in resuscitation in resource-limited settings.

Dr. Kim is the director for the Neonatal-Perinatal Medicine Fellowship Program at UC San Diego and serves as the nutrition director for Supporting Premature Infant Nutrition, an innovative, nationally recognized multidisciplinary program to advance infant nutrition at UC San Diego. He co-authored the book Best Medicine: Human Milk in the NICU.