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.
Fantastic experience. Worked with me to find a solution for my disabled adult son. Very positive and helpful.
(4 days ago)
Feb-2026
the best GI doctor I have ever had. Extremely trustworthy and considerate. I am so grateful.
(4 days ago)
Feb-2026
Easy to talk too
(4 days ago)
Feb-2026
Patient, thorough, considerate, and transparent.
(6 days ago)
Feb-2026
Great experience, great Doctor and excellent staff!!!
(6 days ago)
Feb-2026
A very knowledgeable and competent Dr. Bortniker.
(1 week ago)
Jan-2026
Lovely... conscientious.. very patient oriented.. compassionate.. concerned
(1 week ago)
Jan-2026
thorough and kind
(2 weeks ago)
Jan-2026
Exceptional
(2 months ago)
Dec-2025
Very friendly doctor.
(3 months ago)
Oct-2025
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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.
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
thorough and kind
Exceptional
Very friendly doctor.