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Ramesh Rengan, MD, Radiation Oncology, Seattle, WA, UW Medicine/Northwest Hospital & Medical Center


Radiation Oncology Seattle, WA

Medical Director, Seattle Cancer Care Alliance Proton Therapy Center; Professor of Radiation Oncology, University of Washington School of Medicine; Associate Member, Fred Hutchinson Cancer Research Center

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  • Dr. Rengan is a board-certified radiation oncologist who specializes in radiation treatment for lung, melanoma, and prostate cancer.

    Dr. Rengan was previously the Chief of Thoracic Service and Associate Director of Clinical Operations for the Department of Radiation Oncology at the University of Pennsylvania, where he worked extensively with proton therapy. He completed his residency in radiation oncology at Memorial Sloan-Kettering Cancer Center in 2006 and earned his medical degree and Ph.D. in biological chemistry from University of Michigan Medical School and Rackham School of Graduate Studies in 2001.

    Dr. Rengan’s philosophy of “patients come first” fits well with his areas of research, which involve the development of clinical and translational (bench-to-bedside) initiatives designed to improve clinical outcomes in cancer. His research interests also include understanding the biology of cancer in order to make radiation treatment more effective and using radiation as a tool to stimulate the immune system to target the cancer.

Education & Training

  • Memorial Sloan Kettering Cancer Center
    Memorial Sloan Kettering Cancer CenterResidency, Radiation Oncology, 2002 - 2006
  • St Marys Hospital and Medical Center
    St Marys Hospital and Medical CenterInternship, Internal Medicine, 2001 - 2002
  • University of Michigan Medical School
    University of Michigan Medical SchoolClass of 2001

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 2021 - 2023
  • WA State Medical License
    WA State Medical License 2013 - 2023
  • NJ State Medical License
    NJ State Medical License 2006 - 2013
  • PA State Medical License
    PA State Medical License 2006 - 2022
  • NY State Medical License
    NY State Medical License 2002 - 2015
  • American Board of Radiology Radiation Oncology

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2012

Clinical Trials

Publications & Presentations



  • Long-term results of a phase I/II trial of nelfinavir with concurrent chemoradiotherapy for locally advanced non-small cell lung cancer. 
    2018 ASCO Annual Meeting - Chicago, Illinois - 06/3/2018

Press Mentions

  • SCCA News and Updates
    SCCA News and UpdatesSeptember 5th, 2019
  • Chemotherapy, Surgery and David Bowie: How Music Helps Cancer Patients Heal
    Chemotherapy, Surgery and David Bowie: How Music Helps Cancer Patients HealMarch 1st, 2017
  • HIV Protease Inhibitor Shows Promise with Concurrent Chemoradiotherapy for Non-Small Cell Lung Cancer
    HIV Protease Inhibitor Shows Promise with Concurrent Chemoradiotherapy for Non-Small Cell Lung CancerAugust 30th, 2019
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  • Committee member, National Cancer Institute’s Radiation and Immune Modulation Working Group
  • Associate Senior Editor, Journal “Advances in Radiation Oncology."

Hospital Affiliations