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.
Super friendly
Explained Clearly
I feel well taken care of my needs
Give this man a raise
(3 days ago)
Feb-2026
Ethan was very kind & answered all my questions. I appreciated that.
(1 week ago)
Feb-2026
Very nice
(2 weeks ago)
Feb-2026
Fantastic experience. Worked with me to find a solution for my disabled adult son. Very positive and helpful.
(3 weeks ago)
Feb-2026
the best GI doctor I have ever had. Extremely trustworthy and considerate. I am so grateful.
(3 weeks ago)
Feb-2026
Easy to talk too
(3 weeks ago)
Feb-2026
Patient, thorough, considerate, and transparent.
(3 weeks ago)
Feb-2026
Great experience, great Doctor and excellent staff!!!
(3 weeks ago)
Feb-2026
A very knowledgeable and competent Dr. Bortniker.
(1 month ago)
Jan-2026
Lovely... conscientious.. very patient oriented.. compassionate.. concerned
(1 month ago)
Jan-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.
Super friendly Explained Clearly I feel well taken care of my needs Give this man a raise
Ethan was very kind & answered all my questions. I appreciated that.
Very nice
Fantastic experience. Worked with me to find a solution for my disabled adult son. Very positive and helpful.
the best GI doctor I have ever had. Extremely trustworthy and considerate. I am so grateful.
Easy to talk too
Patient, thorough, considerate, and transparent.
Great experience, great Doctor and excellent staff!!!
A very knowledgeable and competent Dr. Bortniker.
Lovely... conscientious.. very patient oriented.. compassionate.. concerned