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.
Dr. Bortniker is outstanding across the board. I highly recommend him for any G.I. related issues.
(3 days ago)
Jun-2026
Excellent
(5 days ago)
Jun-2026
Very nice doctor, he made me feel at ease and he explained everything in normal language I could understand
(6 days ago)
Jun-2026
Dr Bortniker and his team are fantastic. I dislike every step of having any procedure done, but they made my experience quick and as painless as possible. They are very professional and I can tell that they enjoy what they do.
(1 week ago)
Jun-2026
Very efficient anf friendly
(3 weeks ago)
May-2026
Really nice and helpful
(1 month ago)
May-2026
Everything was excellent
Thank you for your best work
(1 month ago)
May-2026
Excellent A+++
(1 month ago)
Apr-2026
Courteous, professional doctor-good guy…all staff were exceptional! Made the (not so Pleasant) experience relaxing & comfortable!
(1 month ago)
Apr-2026
Great beside manner and lovely to talk to.
(1 month ago)
Apr-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.
Dr. Bortniker is outstanding across the board. I highly recommend him for any G.I. related issues.
Excellent
Very nice doctor, he made me feel at ease and he explained everything in normal language I could understand
Dr Bortniker and his team are fantastic. I dislike every step of having any procedure done, but they made my experience quick and as painless as possible. They are very professional and I can tell that they enjoy what they do.
Very efficient anf friendly
Really nice and helpful
Everything was excellent Thank you for your best work
Excellent A+++
Courteous, professional doctor-good guy…all staff were exceptional! Made the (not so Pleasant) experience relaxing & comfortable!
Great beside manner and lovely to talk to.