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Leo Treyzon, MD, MS is the former Clinical Chief of the Division of Gastroenterology at Cedars-Sinai Medical Center. He is a board certified specialist in clinical nutrition and gastroenterology. He specializes in the best treatment of irritable bowel syndrome (IBS), Crohn’s and Colitis (IBD), gastro-esophageal reflux disease (GERD), ulcers (PUD), gastritis (H. Pylori), small intestinal bacterial overgrowth (SIBO), and cancers of the digestive tract. Common symptoms he treats include abdominal pain, gas, bloating, diarrhea, constipation, anemia and bleeding.

He is a participating physician and researcher in the Cedars-Sinai Weight Loss Center, Esophageal Center and Cancer Center. Dr. Treyzon performs procedures such as endoscopy, colonoscopy and wireless capsule endoscopy.

Dr. Treyzon lectures on subjects related to the field of gastroenterology, nutrition and functional abdominal pain. He is an assistant professor at the David Geffen School of Medicine at the University of California, Los Angeles (UCLA). As an educator he teaches the medical students, residents, and fellows who are training in gastroenterology. He has written many peer reviewed articles and textbook chapters on various gastrointestinal subjects.

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Our Mission Statement

We are committed to providing the highest quality patient care through a spirit of teamwork, efficient communication, medical innovation and professionalism. We work in a collaborative manner with our patients, their families, and their healthcare providers. We take the time to properly educate our patients and their families to help increase their understanding of the disease process and its treatment. We spend a lot of time with our patients. We embrace both eastern and western philosophies to achieve health and wellness. We continually seek new methods of treating digestive disorders in a manner that achieves the desired health outcome. We strive to provide high quality care in an affordable manner. We do not order unnecessary tests, and we do not prescribe unnecessary medications. We emphasize dietary and lifestyle interventions first and foremost.

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