Doron Kahana, M.D.

Harbor-UCLA Medical Center

23600 Telo Ave, Suite 260 Torrance
Torrance, California 90509

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Professional Bio

Doron Kahana, M.D. is a pediatrician with additional certifications to practice Pediatric Gastroenterology, Hepatology and Clinical Nutrition. After graduating with Honors in History and Philosophy of Science and Medicine at the University of Chicago as an undergraduate student, he earned a medical degree from Tel Aviv University in Israel. In 2004, he completed Residency work at the University of Minnesota and, in 2008, Fellowship work at the University of California, Los Angeles (UCLA).

Dr. Kahana now practices in Torrance, California at a clinic he founded called the Center for Digestive Health & Nutritional Excellence (CDHNE). He specializes in medical nutrition and practices nutritional therapy of gastrointestinal conditions such as inflammatory bowel disease (IBD), irritable bowel syndrome (IBS), gastroesophageal reflux, chronic constipation, Celiac disease, food allergy and intolerance, eosinophilic esophagitis, as well as gastrointestinal disorders in Autism. The idea behind Dr. Kahana’s approach to disease incorporates a holistic understanding of conventional practice alongside complementary medicine. At his clinic, Dr. Kahana maintains a close relationship between himself and a team of professional dietitians and nutritionists to promote overall health in his patients.

In addition, Dr. Kahana performs upper endoscopy, colonoscopy, capsular endoscopy, liver biopsy, and esophageal pH probe monitoring. He is also testing new techniques for studying microbial influences on health and disease. A former Assistant Professor at Harbor-UCLA Medical Center, Dr. Kahana gives many lectures on topics relating to nutrition, inflammation, the impact on health, pro-biotics and pre-biotics, food intolerance and the benefit of a hypoallergenic diet, among others.

Dr. Kahana is a member of the American Academy of Pediatrics (AAP), American Medical Association (AMA), American Society for Parenteral and Enteral Nutrition (ASPEN), North American Society for Pediatric Gastroenterology, Hepatology and Nutrition (NASPGHAN), American Gastroenterology Association (AGA), American College of Gastroenterology (ACG), and the Crohn’s and Colitis Foundation of America (CCFA). Dr. Kahana also volunteers as a medical consultant for a non-profit organization called What’s In Your Lunchbox (WIYLBox) and as a medical provider for a specialty camp for children with chronic illnesses called The Painted Turtle Camp.


  • Colonoscopy
  • Endoscopy