Dr. John Dever, M.D., was born and raised in Washington DC. He was director of gastroenterology at Saltzer Health/Intermountain Health in Idaho until operations ended in March 2024. He joined IGA in 2024. He is a board-certified gastroenterologist who focuses on wellness, diagnostic and therapeutic endoscopy, optimal patient experiences, colon cancer prevention, brain-gut disorders, and longevity.
Dr. John Dever, M.D., was born and raised in Washington DC. He was director of gastroenterology at Saltzer Health/Intermountain Health in Idaho until operations ended in March 2024. He joined IGA in 2024. He is a board-certified gastroenterologist who focuses on wellness, diagnostic and therapeutic endoscopy, optimal patient experiences, colon cancer prevention, brain-gut disorders, and longevity.
The reviews listed below were collected independently of Idaho Gastroenterology Associates through rater8. Each review represents an authentic and verified patient experience.
He’s awesome
(2 weeks ago)
May-2026
Exceptional care and attention during biopsy. Great team that Dr Dever has put together.
(3 weeks ago)
May-2026
Dr Dever has kind, gentle manner. He answered any questions that I had and really made me feel at ease with my procedure. I would highly recommend him!
(3 weeks ago)
May-2026
Dr. Dever was extremely thorough and kind. Really enjoyed my experience in clinic!
(1 month ago)
May-2026
The entire staff was wonderful and made me feel less anxious. They were thorough and had good bedside manner. I would highly recommend them.
(1 month ago)
Apr-2026
Very nice and professional.
(1 month ago)
Apr-2026
Very professional.
(1 month ago)
Apr-2026
The staff was very informative. They got me comfortable. Doctor did a good job of doing the colonoscopy.
(1 month ago)
Apr-2026
Dr Devers is friendly, and he explained the procedure in details I could understand. He also had a great team of nurses that took care of my needs with friendliness, and also explained what they were doing to make me comfortable.
(1 month ago)
Apr-2026
Very professional. Process was very organized and streamlined to move smoothly. Staff was also very polite.
(1 month ago)
Apr-2026
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Canyon County Endoscopy Center
1216 Garrity Boulevard Nampa, ID 83687
Dr. John Dever, M.D., was born and raised in Washington DC. He was director of gastroenterology at Saltzer Health/Intermountain Health in Idaho until operations ended in March 2024. He joined IGA in 2024. He is a board-certified gastroenterologist who focuses on wellness, diagnostic and therapeutic endoscopy, optimal patient experiences, colon cancer prevention, brain-gut disorders, and longevity.
Dr. Dever was clinical faculty at UC San Diego School of Medicine from 2015 to 2022 and trained medical students, residents, and fellows. Prior to leaving, the Department of Medicine (DOMCAP) voted unanimously for his promotion to Associate Clinical Professor. His research has been published in multiple top peer-reviewed journals. Dr. Dever had the highest adenoma detection rate (67%) among peers, received the highest teacher rating and was an appointed mentor for the UCSD Bridge Program for Scholars.
Dr. Dever was also a member of the patient safety committee. Outside of work, he enjoys spending time with family and friends, mountain biking, and traveling.
See other doctors in Idaho Gastroenterology Associates
He’s awesome
Exceptional care and attention during biopsy. Great team that Dr Dever has put together.
Dr Dever has kind, gentle manner. He answered any questions that I had and really made me feel at ease with my procedure. I would highly recommend him!
Dr. Dever was extremely thorough and kind. Really enjoyed my experience in clinic!
The entire staff was wonderful and made me feel less anxious. They were thorough and had good bedside manner. I would highly recommend them.
Very nice and professional.
Very professional.
The staff was very informative. They got me comfortable. Doctor did a good job of doing the colonoscopy.
Dr Devers is friendly, and he explained the procedure in details I could understand. He also had a great team of nurses that took care of my needs with friendliness, and also explained what they were doing to make me comfortable.
Very professional. Process was very organized and streamlined to move smoothly. Staff was also very polite.