

Oncology
William Gwin, MD
Assistant Professor, Division of Hematology and Oncology
Dr. William Rayford Gwin III is a medical oncologist subspecializing in breast cancer, treating patients with all stages and subtypes, including HER2-positive metastatic disease. He serves adult patients at the University of Washington Medical Center and Fred Hutchinson Cancer Center in Seattle, Washington, managing both standard therapies and participation in early-phase clinical trials for treatment-resistant cases. His signature approaches include chemotherapy, HER2-targeted monoclonal antibo
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Credentials
Board Certifications
- Internal Medicine (ABIM)
- Medical Oncology (ABIM)
- Hematology (ABIM)
Education & Training
- Medical School: University of Alabama School of Medicine (MD, 2006)
- Residency: University of Washington (Internal Medicine, 2006-2009)
- Fellowship: Duke University Hospital (Hematology and Medical Oncology, 2010-2013)
Years in Practice
20+ years
Peer Recognition
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Conditions & Treatments
Insurance(s) Accepted
Please verify your coverage with the provider — plan participation can change.
Practice Details
Hospital Affiliations
- University of Washington Medical Center
- Fred Hutchinson Cancer Center
Languages
English
Conditions Dr. Gwin treats
Insurance accepted
Frequently asked
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Specialists similar to Dr. Gwin
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Sources
- https://www.doximity.com/pub/william-gwin-md
- https://www.healthgrades.com/physician/dr-william-gwin-2vxcv
- https://npidb.org/doctors/allopathic_osteopathic_physicians/medical-oncology_207rx0202x/1598875882.aspx
- https://www.uwcvi.org/team/will-gwin,-md
- https://hemonc.uw.edu/people/william-gwin
- https://www.onclive.com/view/dr-gwin-on-the-safety-of-tea-plus-trastuzumab-in-recurrent-her2-breast-cancer
- https://www.fredhutch.org/en/provider-directory/william-gwin.html











