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
Practice locations
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 Hospitals and Clinics, Madison, WI
Internships
- University of Wisconsin Hospitals and Clinics, Madison, WI
Areas of expertise
- Barrett's Esophagus
- Capsule Endoscopy
- Celiac Disease
- Colon and rectal polyps
- Colonoscopy
- Control of Gastrointestinal Bleeding
- Esophageal Dilation
- Sigmoidoscopy
- Upper Gastrointestinal Endoscopy