From diagnosis to ongoing disease management, the Karsh Division of Gastroenterology and Hepatology at Cedars-Sinai is a recognized leader in advanced treatment for a wide range of digestive and liver disorders in adults and children. 

Guided by expert clinical leadership, Cedars-Sinai is consistently ranked among the best in the nation for gastroenterology and gastrointestinal surgery by U.S. News & World Report—and sought out by doctors across the country for consultations.

Shelly C. Lu, MD

IM Gastroenterology
  • Women's Guild Chair, Gastroenterology
  • Vice Chair, Basic Science and Translational Research
  • Director, Karsh Division of Gastroenterology and Hepatology

Simon K. Lo, MD

IM Gastroenterology
  • Director, Pancreatic and Billiary Diseases Program
  • F. Widjaja Family Chair in Digestive Diseases
  • Director, Gastrointestinal Endoscopy

Gil Y. Melmed, MD

IM Gastroenterology
  • Director, Inflammatory Bowel Disease Clinical Research
  • Co-Director, Clinical Inflammatory Bowel Disease

Mark Pimentel, MD

IM Gastroenterology
  • Program Director, Medically Associated Science and Technology (MAST) Program
  • Associate Professor, Medicine

Shervin Rabizadeh, MD, MBA

Peds - Gastroenterology
Guerin Children's
  • Chair, Pediatrics
  • Assistant Professor, Pediatrics
  • Director, Division of Pediatric Gastroenterology

Ali Rezaie, MD

IM Gastroenterology
  • Medical Director, GI Motility
  • Associate Professor, Medicine

Stephan R. Targan, MD

IM Gastroenterology
  • Feintech Family Chair, Inflammatory Bowel Disease
  • Director, F. Widjaja Foundation Inflammatory Bowel and Immunobiology Research Institute
  • Distinguished Professor, Medicine

See a complete list of our expert physicians.