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Leo Treyzon, MD, MS
Leo Treyzon, MD, MS is a gastroenterologist in the Weight Loss Center, Esophageal Center, the Colorectal Cancer Center and the Inflammatory Bowel Disease Center at Cedars-Sinai. He is board-certified in gastroenterology, clinical nutrition, and has a sub-specialization in nutrition and obesity.
Dr. Treyzon's research focuses on diet and obesity. He has published articles in peer-reviewed publications such as the Nutrition Journal, Journal of the American Diatetic Association, Alimentary Pharmacology and Therapeutics, the American Journal of Gastroenterology, Surgical Endoscopy, Metabolic Syndrome and Related Disorders, and Clinical Gastroenterology and Hepatology. He also has written a book chapter on colon cancer in Nutritional Oncology, Second Edition.
In addition to presenting at conferences throughout the country, Dr. Treyzon lectures extensively in the local area on subjects related to the field of gastroenterology, nutrition and obesity. He is a faculty member as Clinical Instructor at the David Geffen School of Medicine at the University of California, Los Angeles (UCLA).
Dr. Treyzon is a member of the American College of Gastroenterology, American Society of Physician Nutrition Specialists, American Society of Bariatric Physicians and the International Professional Nutrition Education Consortium.
Dr. Treyzon earned his bachelor's degree with High Honors from the University of California, Santa Barbara, and his medical degree from the University of California, San Diego. He also earned a master's in clinical research from the UCLA. He completed a residency at Cedars-Sinai in internal medicine and a fellowship in digestive diseases at UCLA.