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William Harris

Oncology

William Harris, MD

Associate Professor, Division of Hematology and Oncology, Department of Medicine, University of Washington

Seattle, WA

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

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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 ConnollyTop Doctor

    2017-2026 (10 years)

Clinical Focus

Subspecialties

GI OncologyMedical Oncology

Conditions & Treatments

Colorectal CancerGenitourinary OncologyLiver CancerPancreatic CancerGastric CancerImmunotherapyPrecision OncologyChemotherapyTargeted Therapy

Practice Details

Hospital Affiliations

  • UW Medical Center-Montlake
  • Fred Hutchinson Cancer Center

Languages

English

Experience

25+ years in practice