This is unpublished


Physician Faculty
Advanced Endoscopy
GI Cancers
Clinical Associate Professor, Medicine


Stephen Rulyak, MD, MPH is a board certified gastroenterologist based at the Fred Hutchinson Cancer Center and a Clinical Associate Professor of Medicine at the University of Washington.

Dr. Rulyak’s practice is focused primarily on the prevention, diagnosis, and treatment of gastrointestinal cancers including esophageal, gastric, pancreatic and colon cancers. His clinical work involves advanced endoscopic procedures including endoscopic ultrasound, endoscopic mucosal resection, and radiofrequency ablation of Barrett’s esophagus. He also focuses on screening and surveillance for cancers and pre-cancerous lesions in the digestive tract, including patients with inherited cancer syndromes. 

Dr. Rulyak earned his medical degree and completed his residency at the University of Pennsylvania.   He completed his gastroenterology fellowship and earned a Masters in Public Health at the University of Washington.   

Board certifications

  • 2005, 2015 - Gastroenterology, American Board of Internal Medicine

  • 2000 - Internal Medicine, American Board of Internal Medicine

Education & Training

Masters in Public Health, University of Washington, Seattle, WA, 2000-2002

Fellowship in Gastroenterology, University of Washington, Seattle, WA, 2000-2003

Internship and Residency, Hospital of the University of Pennsylvania, Philadelphia, PA, 1997-2000

Medical School, University of Pennsylvania School of Medicine, Philadelphia, PA, 1993-1997

Clinical Interests

  • Gastrointestinal cancers
  • GI endoscopy