

Oncology
William Harris, MD
Associate Professor, Division of Hematology and Oncology, Department of Medicine, University of Washington
Dr. William P. Harris, MD, is a medical oncologist specializing in gastrointestinal malignancies, with a particular focus on primary liver cancers such as hepatocellular carcinoma and fibrolamellar carcinoma, biliary tract cancers including cholangiocarcinoma, colorectal cancer, neuroendocrine tumors, and other GI tumors affecting the pancreas, gallbladder, stomach, esophagus, colon, rectum, and anus. He provides care to adult patients with advanced or metastatic disease, often participating in
25+
Years in Practice
Credentials
Board Certifications
- Medical Oncology (American Board of Internal Medicine)
- Internal Medicine (American Board of Internal Medicine)
Education & Training
- Columbia University College of Physicians and Surgeons — M.D.
- University of Washington — Residency, Internal Medicine
- UW/Fred Hutch — Fellowship, Medical Oncology
- Brown University — B.S.
Peer Recognition
- Castle Connolly — Top Doctor
2017-2026 (10 years)
Clinical Focus
Subspecialties
Conditions & Treatments
Practice Details
Hospital Affiliations
- UW Medical Center-Montlake
- Fred Hutchinson Cancer Center
Languages
English
Experience
25+ years in practice