Ethan Bortniker, MD

Practice: Unio Specialty Care

Specialty: Gastroenterology

Office locations: Encinitas, San Diego

Most recent review: 5 days ago New
4.8 out of 5
386 Ratings
181 Comments

Dr. Ethan Bortniker, M.D., MBA, earned his medical degree at Boston University and completed his internal medicine residency at Boston Medical Center and his gastroenterology fellowship at the University of Connecticut. Board-certified by the ABIM, he previously served on the faculty at UConn and UCSD. He specializes in general gastroenterology, GI motility, disorders of the gut-brain axis, colorectal cancer screening, liver disease, colonoscopy, and EGD.

4.8 out of 5
386 Ratings
181 Comments

Dr. Ethan Bortniker, M.D., MBA, earned his medical degree at Boston University and completed his internal medicine residency at Boston Medical Center and his gastroenterology fellowship at the University of Connecticut. Board-certified by the ABIM, he previously served on the faculty at UConn and UCSD. He specializes in general gastroenterology, GI motility, disorders of the gut-brain axis, colorectal cancer screening, liver disease, colonoscopy, and EGD.

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 excellent doctor, he listen and takes care of patients

Rated 5 out of 5 stars
(5 days ago) Oct-2026

Dr. Bortniker and the entire team from reception to all the nurses were really profeesional, communicative, and it was just a great experience.

Rated 5 out of 5 stars
(6 days ago) Oct-2026

Excellent listener and care! Staff all friendly

Rated 5 out of 5 stars
(1 week ago) Oct-2026

He seemed to understand what had previously occurred and some things that needed to be clarified.

Rated 4 out of 5 stars
(1 week ago) Oct-2026

Doctor Ethan Bortniker cares for his patients.

Rated 5 out of 5 stars
(2 weeks ago) Oct-2026

Excellent dr i wont see anyone else. Good manners - explains everything and he will answer ALL your questions

Rated 5 out of 5 stars
(2 weeks ago) Oct-2026

Best Doctor, best staff, they made us feel comfortable during a very stressful time.

Rated 5 out of 5 stars
(2 weeks ago) Oct-2026

He was very patient, knowledgeable and professional!

Rated 4 out of 5 stars
(3 weeks ago) Oct-2026

Smart, great listener and takes time to explain thoroughly.

Rated 5 out of 5 stars
(3 weeks ago) Oct-2026

great personality! very thoughtful made me feel very comfortable. the staff was excellent as well.

Rated 5 out of 5 stars
(1 month ago) Oct-2026