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.

Headshot for Shelly C. Lu, MD

Shelly C. Lu, MD

IM Gastroenterology
Women's Guild Chair Gastroenterology
Professor Medicine
Vice Chair Basic Science and Translational Research
Headshot for Simon K. Lo, MD

Simon K. Lo, MD

IM Gastroenterology
Director Gastrointestinal Endoscopy
F. Widjaja Family Chair in Digestive Diseases
Director Pancreatic and Billiary Diseases Program
Headshot for Gil Y. Melmed, MD

Gil Y. Melmed, MD

IM Gastroenterology
Inflammatory Bowel Disease
Director Inflammatory Bowel Disease Clinical Research
Co-Director Clinical Inflammatory Bowel Disease
Headshot for Mark Pimentel, MD

Mark Pimentel, MD

IM Gastroenterology
Associate Professor Medicine
Program Director Medically Associated Science and Technology (MAST) Program
Headshot for Shervin Rabizadeh, MD, MBA

Shervin Rabizadeh, MD, MBA

Peds - Gastroenterology
Director Pediatric Inflammatory Bowel Disease Program
Chair Pediatrics
Medical Director Children's Health Center
Headshot for Ali Rezaie, MD

Ali Rezaie, MD

IM Gastroenterology
Associate Professor Medicine
Medical Director GI Motility
Headshot for Stephan R. Targan, MD

Stephan R. Targan, MD

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

See a complete list of our expert physicians.