John B. Williams
MD

  • Gastroenterology and Hepatology
John B. Williams, MD

About

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
  • Department of Medicine

Practice locations

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  • 20 S. Park Clinic - Gastroenterology
    • 20 S. Park St. / Madison, WI
    • (608) 890-5000
    • Open now
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  • Digestive Health Center - Gastroenterology and Hepatology Clinic
    • 750 University Row / Madison, WI
    • (608) 890-5000
    • Open now
    •  
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Education & credentials

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

Specialties

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.