John Watt Wiley, MD
Specialty: Gastroenterology, Internal Medicine
Title: Professor
4.9/5
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John Watt Wiley, MD
Gastroenterology
  • About
  • Areas of Practice
  • Expertise
  • Locations
  • Insurance
  • Education & Training
  • Research Overview
  • Patient Ratings & Comments

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    • About

    Areas of Practice

    Motility disorders. Neurological complications of diabetes mellitus. Effects of aging on the GI tract.

    Locations
    • Gastroenterology Clinic | Briarwood Health Associates 325 Briarwood Cir
      Briarwood Building 5
      Ann Arbor, MI 48108-1605       Get Directions
    • Gastroenterology Clinic | Taubman Center 1500 E Medical Center Dr
      Floor 3 Reception D
      Ann Arbor, MI 48109-2435       Get Directions
    • Medical Procedures Services| Northville Health Center 39901 Traditions Dr
      Floor 1
      Northville, MI 48168-9493       Get Directions
    • Medical Procedures Unit | University Hospital 1500 E Medical Center Dr
      Floor 2
      Ann Arbor, MI 48109-5051       Get Directions

    Insurance Accepted

    University of Michigan Health participates with most health insurance plans.

    See our insurance details

    Education & Training

    Medical School or Training
    Oregon Health Sciences University, 1980

    Residency
    University of Michigan Health System, Internal Medicine, 1983

    Fellowships
    University of Michigan Health System, Internal Medicine Gastroenterology, 1987

    Board Certifications
    Internal Medicine
    Gastroenterology

    Research Overview

    Mechanisms of neurotransmitter regulation of ion channels in health and disease.

    Patient Ratings & Comments

    Visit our Physician Ratings & Comments page to learn more about how patient ratings are collected, calculated, and updated to help you make an informed decision when choosing the right physician for your care.

    Patient Ratings

    53 Patient Ratings

    Patient Comments

    January 22, 2026 - "Very impressed with Dr Wiley. Caring and Thoughtful."

    January 20, 2026 - "[...] Dr. Wiley was the first time I felt like I was listened to and informed. He's by far the best doctor I've seen, and I'm so happy with the care I received from him!"

    September 9, 2025 - "Dr Wiley spent over an hour listening to me, allowing me to ask questions. Gave me helpful information and I never felt rushed. Honestly of all the doctors I have met Dr Wiley is at the top of my list."

    September 9, 2025 - "Dr Wiley was very thorough. He was very concerned about my condition and vowed to search for answers. He also gave me prescriptions to ease my symptoms while he researches."

    August 6, 2025 - "Dr. Wiley was very good at taking time to explain everything. He spent a lot of time with me."