Dr Ethan Bortniker completed the 7 year BA/MD program at Boston University followed by internal medicine residency at Boston Medical Center. After a year as a hospitalist at Boston Medical Center, Dr Bortniker pursued Gastroenterology fellowship at University of Connecticut where he stayed on as faculty for 3 years actively participating in teaching, research activities in colon cancer prevention, director of motility program, and earned an MBA from UConn.

In 2019, life brought Dr Bortniker to the sunshine of southern California where he joined faculty at UCSD and San Diego VA.

Dr Bortniker has pursued additional clinical training in medical hypnotherapy for patients with Gastrointestinal disorders. Prior to joining Coastal Gastroenterology, Dr Bortniker spent one year with a private practice in Palm Springs.

Dr Bortniker practices general Gastroenterology with an interest in motility, disorders of the brain gut access, prevention of GI tract cancers, liver disease, and general endoscopy including colonoscopy, egd, and capsule endoscopy.