Leo Treyzon, MD Gastroenterology

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Gastroenterology Los Angeles, CA

About Dr. Leo Treyzon MD

Dr. Leo Treyzon, MD is a doctor primarily located in Los Angeles, CA, with other offices in Los Angeles, CA and Los Angeles, CA( and 3 other locations). He has 19 years of experience. His specialties include Gastroenterology, Internal Medicine.

Dr. Treyzon has received 1 awards.

Castle Connolly Regional Top Doctors


Dr. Leo Treyzon has 5 locations

Get Directions Charles J Burstin MD 8631 W 3rd St Ste 1015 Los Angeles, CA 90048
Get Directions Charles J Burstin MD 8631 W 3rd St Ste 1015E Los Angeles, CA 90048
Get Directions Leo Treyzon Md 8631 W 3rd St Ste 1015E Los Angeles, CA 90048
Get Directions Industrial Health Care Services 5901 W Olympic Blvd Ste 100 Los Angeles, CA 90036
Get Directions Ie Surgical Inc 8631 W 3rd St Los Angeles, CA 90048


Dr. Leo Treyzon has the following 2 SPECIALTIES

A gastroenterologist is a specialist in diagnosis and treatment of conditions involving the digestive/gastrointestinal (GI) tract. These doctors are experts on how food moves through the digestive system and is chemically broken down, with nutrients being absorbed and waste excreted. You might see this kind of doctor if you are experiencing any number of stomach issues, some of which might be severe diarrhea, irritable bowel syndrome, hemorrhoids, ulcers, acid reflux, Crohn's disease and more.
Internal Medicine

Specialty Expertise

Dr. Leo Treyzon has the following 18 expertise

  • Abdominal Pain
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colitis
  • Colon Cancer
  • Colonoscopy
  • Constipation
  • Diarrhea
  • Gastrointestinal Diseases (GI Diseases)
  • Gastrointestinal Endoscopy
  • Gastrointestinal Hemorrhage
  • Hemorrhoids
  • Ichthyosis Bullosa of Siemens
  • Irritable Bowel Syndrome (IBS)
  • Malnutrition
  • Nutrition Disorders
  • Stomach Cancer
  • Ulcerative Colitis


1 Award

  • Castle Connolly Regional Top Doctors

    Castle Connolly Regional Top Doctors (1)

    Castle Connolly is America's trusted source for the identification of Top Doctors. Their physician-led research team reviews and screens the credentials of tens of thousands of physicians who are nominated by their peers annually, via a nationwide online process, before selecting those physicians who are regionally or nationally among the very best in their medical specialties. Castle Connolly believes strongly that Top Doctors Make a Difference.


19 Years Experience

University Of California San Diego School Of Medicine

Graduated in 2001

Cedars Sinai Medical Center


Dr. Leo Treyzon Accepts the Following Insurance

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  • 8631 W 3rd St Ste 1015 Los Angeles , CA (310) 652-4472
  • 8631 W 3rd St Ste 1015E Los Angeles , CA (310) 652-4472
  • 8631 W 3rd St Ste 1015E Los Angeles , CA 90048
  • 5901 W Olympic Blvd Ste 100 Los Angeles , CA 90036
  • 8631 W 3rd St Los Angeles , CA (310) 657-0871

More about Dr. Leo Treyzon

Leo Treyzon, MD, MS is the Clinical Chief of the Division of Gastroenterology at Cedars-Sinai. He is a board certified specialist in clinical nutrition and gastroenterology. He specializes in the 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. Dr. Treyzon is an active member of the American College of Gastroenterology and American Society of Gastrointestinal Endoscopy. 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 UCLA. He completed a residency at Cedars-Sinai in internal medicine and a fellowship in digestive diseases at UCLA. Dr. Treyzon's office for patient appointments is located at the Cedars-Sinai Medical Office Towers.

Uploaded October 18, 2020


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