Dr. Ethan Bortniker, M.D. 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.
Dr. Ethan Bortniker, M.D. 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.
The reviews listed below were collected independently of Unio Specialty Care through rater8. Each review represents an authentic and verified patient experience.
Few doctors take the time to go over the details of his recommendations, not only for you to know his recommendations but to also help me understand why. Great job as always Ethan!
(3 days ago)
Aug-2026
Excelent maner to explain things
(1 week ago)
Jul-2026
Amazing, patient, and thorough with all of my concerns. Procedure went exceptionally well. All around a great experience. Thank you 🤙🏽
(2 weeks ago)
Jul-2026
Dr. Bortniker made me feel very comfortable explaining my heath sutiation, and remedies that are practical and realistic. I would recommend him.
(3 weeks ago)
Jul-2026
Everything went fine and I had no bleeding! Great doctor.
(3 weeks ago)
Jul-2026
Dr. Bortniker is very knowledgeable and helpful, and answered all of our questions and concerns. We were very lucky to be seen by Dr.Bortniker and will definitely recommend this doctor to our friends and family.
(3 weeks ago)
Jul-2026
Dr. Bortniker was very nice to speak with and personable. He provided a lot of good insight and guidance on my initial consult. I’m looking forward to see how my procedure goes.
(3 weeks ago)
Jul-2026
Doctor Bortniker is amazing and very kind!
(1 month ago)
Jul-2026
Fantastic process very comfortable very friendly and kind
(1 month ago)
Jul-2026
Dr. Bortniker is kind, respectful, and informative. I left his office confident that he will treat me well.
(1 month ago)
Jul-2026
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GI-Encinitas
781 Garden View Court Suite #100 Encinitas, CA
GI-San Diego - Rancho Bernardo
11770 Bernardo Plaza Ct Suite 270B San Diego, CA 92128
Dr. Ethan Bortniker, M.D. 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.
Few doctors take the time to go over the details of his recommendations, not only for you to know his recommendations but to also help me understand why. Great job as always Ethan!
Excelent maner to explain things
Amazing, patient, and thorough with all of my concerns. Procedure went exceptionally well. All around a great experience. Thank you 🤙🏽
Dr. Bortniker made me feel very comfortable explaining my heath sutiation, and remedies that are practical and realistic. I would recommend him.
Everything went fine and I had no bleeding! Great doctor.
Dr. Bortniker is very knowledgeable and helpful, and answered all of our questions and concerns. We were very lucky to be seen by Dr.Bortniker and will definitely recommend this doctor to our friends and family.
Dr. Bortniker was very nice to speak with and personable. He provided a lot of good insight and guidance on my initial consult. I’m looking forward to see how my procedure goes.
Doctor Bortniker is amazing and very kind!
Fantastic process very comfortable very friendly and kind
Dr. Bortniker is kind, respectful, and informative. I left his office confident that he will treat me well.