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.
great personality! very thoughtful made me feel very comfortable. the staff was excellent as well.
(1 week ago)
Oct-2026
Excellent care, thank you Dr and Alma, Anita, Amy, Dr De La Cruz, Precious
I woke up teary and grateful
(1 month ago)
Sep-2026
Dr. Bortniker spoke fast and unclearly. He was also rude and cut me off several times mid sentence. He then argued with me about needing an upper endoscopy even though I have had one before that was abnormal. Would not recommend.
(1 month ago)
Sep-2026
Very personable, thorough and set my mind at ease concerning what to expect!
Professional, knowledgeable friendly and personable
(1 month ago)
Sep-2026
Very easy to talk to. Good listener and not dismissive like some doctors can be.
(1 month ago)
Sep-2026
Great experience with all the staff. Professional and friendly.
(1 month ago)
Sep-2026
Today was my first day to meet Dr Bortniker, and I felt at ease right away. As a patient, all of us want to feel comfortable and confident with our doctors. I look forward to establishing a good patient-doctor relationship with him. I am glad he was recommended!
(1 month ago)
Aug-2026
First time seeing him, he is fabulous!
(1 month ago)
Aug-2026
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.
great personality! very thoughtful made me feel very comfortable. the staff was excellent as well.
Excellent care, thank you Dr and Alma, Anita, Amy, Dr De La Cruz, Precious I woke up teary and grateful
Dr. Bortniker spoke fast and unclearly. He was also rude and cut me off several times mid sentence. He then argued with me about needing an upper endoscopy even though I have had one before that was abnormal. Would not recommend.
Very personable, thorough and set my mind at ease concerning what to expect!
Fantastic experience. Efficient, clear, informative.
Professional, knowledgeable friendly and personable
Very easy to talk to. Good listener and not dismissive like some doctors can be.
Great experience with all the staff. Professional and friendly.
Today was my first day to meet Dr Bortniker, and I felt at ease right away. As a patient, all of us want to feel comfortable and confident with our doctors. I look forward to establishing a good patient-doctor relationship with him. I am glad he was recommended!
First time seeing him, he is fabulous!