Faculty, UW School of Medicine and Public Health

John B. Williams, MD

  • Gastroenterology and Hepatology
John B. Williams, MD


John B. Williams, MD's practice focuses on the care of patients with diseases of the gastrointestinal system and liver.

Languages spoken
  • English
University affiliation

Practice locations

    Education & credentials

    Board certifications
    • Gastroenterology
    Medical School
    • St. Louis University School of Medicine, St. Louis, MO
    • Medical College of Wisconsin Affiliated Hospitals, Milwaukee, WI
    • University of Wisconsin Hospitals and Clinics, Madison, WI
    • University of Wisconsin Hospitals and Clinics, Madison, WI


    Additional conditions and treatments
    • Barrett's Esophagus
    • Capsule Endoscopy
    • Celiac Disease
    • Colonoscopy
    • Control of Gastrointestinal Bleeding
    • Esophageal Dilation
    • Sigmoidoscopy
    • Upper Gastrointestinal Endoscopy

    Research and publications

    Dr. Williams' research interests include inflammatory bowel disease and cirrhosis.