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Keith A. Friedenberg, MD

Board-Certified Gastroenterologist

Accepting New Patients

Serving Mentor

Medical School

University of California at Los Angeles School of Medicine


Cedars-Sinai Medical Center, Los Angeles, California. Affiliate of UCLA School of Medicine


Los Angeles County/University of Southern California Medical Center Fellow, Department of Gastrointestinal and Liver Diseases

About Dr. Friedenberg

Dr. Friedenberg serves as our Medical Director. He specializes in the diagnosis and treatment of digestive disorders, including the esophagus, stomach, liver, pancreas, biliary tract, small bowel and colon. Dr. Friedenberg is an accomplished physician scientist and researcher who has received extensive honors. He has a special interest in inflammatory bowel disease and liver disease. He is board certified by American Board of Internal Medicine and American Board of Gastroenterology.

Dr. Friedenberg is a member of American Society for Gastrointestinal Endoscopy, American Gastroenterological Association, American College of Gastroenterology, Lake County Medical Society and Ohio State Medical Society.

Dr. Friedenberg works with patients in order to tailor treatment with their lifestyle. Well-regarded in the industry by patients and colleagues alike, Dr. Friedenberg has helped build the Endoscopy Center of Lake County into a thriving practice.