About Me

Barry Steinmetz, M.D., is a pediatric gastroenterologist at Miller Children’s & Women’s Hospital Long Beach, where he serves as the Medical Director of the Gastroenterology & Nutrition Center and the Medical Director of the Outpatient Specialty Centers.

He is board-certified in pediatrics with additional sub-board certifications in gastroenterology, hepatology and nutrition. In addition, he serves as an associate clinical professor in the Department of Pediatrics at the University of California, Irvine.

Dr. Steinmetz received his medical degree from Baylor College of Medicine in Houston, Tex., where he also completed his pediatric residency. He completed his fellowship in pediatric gastroenterology at UCLA Children's Hospital.

Dr. Steinmetz has received several research grants, and his research has appeared in multiple publications. Since joining Miller Children’s in 2002, he has won several awards including outstanding faculty and doctor of the year. In 2009, he received the Munzer Family Award from the Memorial Medical Center Foundation and the 2009 Outstanding Faculty of the Year Award at Miller Children’s. In addition, he was recognized as a Top Los Angeles Doctor by the Los Angeles Business Journal in 2022. 

Dr. Steinmetz is an active member of several medical societies and organizations, including the American College of Gastroenterology, the North American Society of Pediatric Gastroenterology, Hepatology and Nutrition and the American Gastroenterology Association.

He lives in Tustin, Calif., with his wife and two daughters.


English, Spanish

Provider Specialty

Gastroenterology - Pediatric


Medical Education

Baylor College of Medicine


Baylor College of Medicine


UC Los Angeles Mattel Children's Hospital

Locations & Affiliations


Cherese Mari Laulhere Children's Village - Miller Children's & Women's Hospital Long Beach

2701 Atlantic Ave.

Long Beach, CA

Office: (714) 377-6993

Miller Children’s Specialty Center - Fountain Valley

9940 Talbert Avenue

Suite 200

Fountain Valley, CA

Office: (714) 378-7230

Insurances Accepted

Accepts most major HMO, PPO, EPO and POS health plans
UnitedHealthcare SignatureValue Harmony HMO