Welcome to the Division of Pediatric Gastroenterology, Hepatology & Nutrition
The Division of Gastroenterology, Hepatology and Nutrition advances the treatment of pediatric gastrointestinal and liver disorders through the coordinated efforts of its patient care, research, and educational activities. Internationally recognized for its expertise in transplantation, gastroenterology and nutrition, the division’s clinical program at Lucile Packard Children’s Hospital Stanford cares for more than 10,000 patients each year, making it one of the largest programs in the country. As part of an academic medical center, researchers and clinicians continually work together to advance the standard of care. Exploring the molecular and genetic origins of conditions ranging from GI infections to transplant rejection, they transform their findings into the most advanced diagnostics, drug therapies and procedures available today.
Our Mission
To heal children with digestive disease through innovation
We provide comprehensive GI care to children throughout our region. We lead global destination programs that deliver highly specialized care and train the next generation of pediatric gastroenterologists. We inspire hope through innovation. Our high quality, collaborative care is driven by cutting-edge research and active partnerships between doctors, nurses, and staff at Lucile Packard Children’s Hospital, scientists at Stanford University, and patient families. Together, we are changing the lives of children today and shaping care for tomorrow.
Latest News and Events
Congratulations on Our #12 National Ranking
The U.S. News & World Report (USNWR) has announced on September 15, 2026 that Stanford Pediatric Gastroenterology & GI Surgery is ranked #12 in the nation! We are incredibly proud of this achievement and grateful to our faculty, staff, and care teams for their dedication and commitment to providing exceptional care to our patients and their families. Congratulations to the Peds GI Team!
Congratulations to Dr. Moses on Being elected Medical Director of the ImproveCareNow Network
Congratulations to Dr. Jonathan Moses on being elected Medical Director of the ImproveCareNow Network through a competitive election process involving leaders in the IBD field. In this role, Dr. Moses will provide clinical leadership across the ImproveCareNow Network, helping advance collaborative, high-quality care for children and families living with IBD.
Welcome Drs. David Garcia, Emily Stryker, and Lauren Mullinax
Drs. David Garcia, Emily Stryker, and Lauren Mullinax have officially joined our team, effective September 1, 2026. Drs. Garcia and Stryker are joining us at our inaugural East Bay GI faculty practice site, while Dr. Mullinax is joining our inaugural Stanford GI San Francisco site. We are pleased to welcome Drs. Garcia, Stryker, and Mullinax to Stanford Pediatric Gastroenterology and look forward to having them as part of our faculty.
Congratulations to Samantha Ratanavipupong in Winning First Place at the SOM Spark Tank
Congratulations to Samantha Ratanavipupong on winning First Place at the Stanford School of Medicine Spark Tank on August 5! Selected from nearly 30 presenters across the School of Medicine, Sam presented “Optimization Model of wRVU Generation and Clinical Operations,” showcasing our Division’s innovative approach to clinical operations. Her presentation was recognized for its innovative concept, potential impact, and outstanding delivery.
Congratulations to Dr. Colman on the 2026 Early Career Clinical Excellent Award
We are proud to congratulate Dr. Ruben Colman on receiving the 2026 Early Career Clinical Excellence Award at the annual Department of Pediatrics Faculty and Staff Awards. This recognition highlights his dedication to providing exceptional care and advancing excellence in pediatric medicine.
We are pleased to welcome Dr. Stephen Trisno to our faculty beginning July 7, 2026. After completing his Pediatrics residency and Pediatric GI fellowship at Stanford, he joins our division as a faculty member. Dr. Trisno’s research focuses on developing novel viral vector strategies for tissue transduction to advance gene therapy approaches for genetic diseases. His clinical practice will be based at Stanford Medicine Children’s Health Specialty Services in San Francisco.
We would like to welcome a new faculty member who has recently joined our division! Dr. Michael A. Schumacher has started with us as an Assistant Professor of Pediatrics and Endowed Faculty Scholar for Pediatric IBD and Celiac Disease in May of 2026! A leader in mucosal immunology and intestinal biology, Dr. Schumacher brings an outstanding record of research, mentorship, and innovation, and we are excited to welcome him to Stanford.
Congratulations to Dr. Amrita Narang, SPLIT Education Co-Chair, for hosting a successful 30th Annual SPLIT Meeting in San Francisco in April 2026. The meeting welcomed a record 340 attendees and featured outstanding speakers from across the pediatric liver transplant community.
Please visit this link for more photos.
The Pediatric Gastroenterology Division recently hosted the APA AI Bootcamp at Stanford, bringing together clinicians, researchers, and trainees to explore practical applications of AI in pancreatology and biomedical research. The workshop highlighted hands-on uses of AI for writing, grant development, and research workflows, while emphasizing responsible and ethical implementation in academic medicine.