
Clinical advisory board
Dr. Mark Pimentel
MD, Gastroenterology
Credentials
- Board certified in Gastroenterology
- Board Certified in Internal Medicine
Dr. Mark Pimentel, MD, is a prominent gastroenterologist renowned for his expertise in disease of the human microbiome, and his groundbreaking research in irritable bowel syndrome (IBS) & small intestinal bacterial overgrowth (SIBO).
He serves as an Associate Professor at Cedars-Sinai Medical Center in Los Angeles, California, where he directs the GI Motility Program. Dr. Pimentel earned his medical degree from the University of Manitoba, followed by a residency in internal medicine at the same institution. He completed a fellowship in gastroenterology through the UCLA Affiliated Training Program.
Dr. Pimentel leads efforts to develop innovative diagnostics and treatments for conditions related to the microbiome. His research has led to significant advancements, including the development of the first blood test for IBS. Through his dedication to understanding and treating gastrointestinal disorders, Dr. Pimentel continues to influence the field of gastroenterology, offering hope and improved care to patients worldwide.

