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Your child receives well-rounded care and effective treatments from a team of dedicated GI experts. Call 310-825-0867 to connect with us.

Our Doctors

Suzanne V. McDiarmid, MD

Suzanne V. McDiarmid, MD

Professor of Pediatrics and Surgery / Chief, Division of Pediatric Gastroenterology, Hepatology and Nutrition

Dr. Sue McDiarmid is Professor of Pediatrics and Surgery at The David Geffen School of Medicine at UCLA. She serves as Chief of the Division of Pediatric Gastroenterology, Hepatology and Nutrition and the Director of the Pediatric Liver Transplant Program at UCLA Mattel Children's Hospital. She is also the Program Director of the Pediatric Gastroenterology Training Program at UCLA. 

Marjorie-Anne G. Manchandia, MD

Marjorie-Anne G. Manchandia, MD

Clinical Instructor

Dr. Marjorie-Anne Guerra Manchandia is Clinical Instructor at The David Geffen School of Medicine at UCLA. Dr. Manchandia received her medical degree from Yale School of Medicine. She completed her residency in pediatrics and her fellowship training in pediatric gastroenterology at UCLA Medical Center. Dr. Manchandia's clinical interests include general gastroenterology, nutrition support, intestinal failure, transplantation.

Elizabeth A. Marcus, MD

Elizabeth A. Marcus, MD

Assistant Professor of Pediatrics

Dr. Elizabeth Marcus is an Assistant Professor of Pediatrics at The David Geffen School of Medicine at UCLA. She received a BA in Psychology from Stanford University and her medical degree from the University of Southern California. She completed her residency in Pediatrics at Children's Hospital of Los Angeles and her fellowship in Pediatric Gastroenterology at UCLA. Her clinical interests include intestinal failure/intestinal transplant, TPN, and general GI.

Martin G. Martin, MD

Martin G. Martin, MD

Professor of Pediatrics

Dr. Martín G. Martín is a Professor of Pediatrics in The David Geffen School of Medicine at UCLA. He received his medical degree and a Master of Public Policy from Harvard and completed his residency in Pediatrics at Harbor-UCLA Medical Center and his fellowship in Pediatric Gastroenterology at UCLA. His clinical interest is in translational research in Pediatric Intestinal Failure, including chronic diarrheal disorders and intestinal pseudo-obstruction.

Jorge H. Vargas, MD

Jorge H. Vargas, MD

Professor of Pediatrics

Dr. Jorge Vargas is Professor of Pediatrics at The David Geffen School of Medicine at UCLA and is the Medical Director for the Parenteral and Enteral Nutrition Support Program at Ronald Reagan UCLA Medical Center. Dr. Vargas received his medical degree from Colegio Mayor de Nuestra Señora del Rosario in Bogota, Colombia.

Elaheh Vahabnezhad, MD

Elaheh Vahabnezhad, MD

Associate Physician

Dr. Elaheh (Eli) Vahabnezhad joined the Division of Pediatric Gastroenterology, Hepatology and Nutrition at UCLA Mattel Children's Hospital in 2013. Dr. Vahabnezhad earned a B.S. in Neuroscience from UCLA and attended medical school in New York at the Albert Einstein College of Medicine. She returned to UCLA for her residency training in Pediatrics and completed her fellowship in Pediatric Gastroenterology, Hepatology and Nutrition at UCLA Mattel Children's Hospital. 

Robert S. Venick, MD

Robert S. Venick, MD

Associate Clinical Professor of Pediatrics

Dr. Robert Venick is an Associate Clinical Professor of Pediatrics and Surgery, and the Medical Director of Intestinal Transplantation at The David Geffen School of Medicine at UCLA. Dr. Venick has been a part of the intestinal failure, liver and intestinal transplant teams at UCLA over the past decade. His clinical and translational research in intestinal failure has focused on nutritional outcomes and the role of Omega-3 Fatty Acids in intestinal failure associated liver disease. 

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Emily Whang, MD

Clinical Instructor

Dr. Emily Whang joined the Division of Pediatric Gastroenterology, Hepatology and Nutrition in July of 2017 upon completion her Pediatric Gastroenterology Fellowship at UCLA Mattel Children’s Hospital. Dr. Whang received her medical degree from the Loma Linda University School of Medicine and completed her pediatric residency training at Loma Linda University Medical Center.