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 was over 1 hour late and gave me 9 minutes of his time. Did not feel I got what I needed out of the visit.
Sep-2025
Pleasant, easy to communicate
Aug-2025
Extremely focused on my G.I. problems. Excellent at explaining test results and discuss discussing treatment options. In my extensive experience, the best G.I. doctor I have ever seen.
Aug-2025
Friendly and professional
Aug-2025
Great experience and care from Dr. Dever and the entire staff throughout the process! I would highly recommend.
Aug-2025
Very nice Doctor
Aug-2025
Very professional. Answered Al my questions.
Aug-2025
I was able to have an urgent problem looked at and sddredsed
Jul-2025
Great feedback from my colonoscopy, including pictures. Quiet and quick. No stress.
Jul-2025
He is a skilled and knowledgeable provider. Thanks for taking care of me.
Jul-2025
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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 was over 1 hour late and gave me 9 minutes of his time. Did not feel I got what I needed out of the visit.
Pleasant, easy to communicate
Extremely focused on my G.I. problems. Excellent at explaining test results and discuss discussing treatment options. In my extensive experience, the best G.I. doctor I have ever seen.
Friendly and professional
Great experience and care from Dr. Dever and the entire staff throughout the process! I would highly recommend.
Very nice Doctor
Very professional. Answered Al my questions.
I was able to have an urgent problem looked at and sddredsed
Great feedback from my colonoscopy, including pictures. Quiet and quick. No stress.
He is a skilled and knowledgeable provider. Thanks for taking care of me.