Billy Loo, MD, Radiation Oncology, Stanford, CA, Lucile Packard Children's Hospital Stanford


Radiation Oncology Stanford, CA

Thoracic Cancer

Professor of Radiation Oncology

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  • As the Director of Thoracic Radiation Oncology at Stanford, my clinical specialty is radiation therapy of lung and other thoracic cancers.

    My clinical research focus is on clinical trials and clinical translation of advanced high-precision 4-D image-guided radiation therapy and stereotactic ablative radiotherapy (SABR), as well as novel indications of SABR such as severe pulmonary emphysema. I also conduct preclinical and translational research in novel functional and metabolic imaging and imaging biomarkers.

    I co-lead a collaboration between the Department of Radiation Oncology and SLAC National Accelerator Laboratory to develop a next-generation ultra-rapid and precise medical linear accelerator system (PHASER), as well as a preclinical research program to study the radiobiology of ultra-rapid FLASH radiotherapy.

Education & Training

  • Stanford University
    Stanford UniversityResidency, Radiation Oncology, 2001 - 2005
  • Kaiser Permanente Medical Group
    Kaiser Permanente Medical GroupInternship, Internal Medicine, 2000 - 2001
  • University of California Davis School of Medicine
    University of California Davis School of MedicineClass of 2000, MD
  • University of California, San Francisco & BerkeleyPhD, Bioengineering, 2000

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 2001 - 2021
  • American Board of Radiology Radiation Oncology

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2011-2013

Clinical Trials

Publications & Presentations


Press Mentions

  • The Future of Fighting Cancer: Zapping Tumors in Less Than a Second
    The Future of Fighting Cancer: Zapping Tumors in Less Than a SecondDecember 13, 2019 22:26
  • Billy Loo: “FLASH” Radiation Therapy Brings Hope to Cancer Patients
    Billy Loo: “FLASH” Radiation Therapy Brings Hope to Cancer PatientsDecember 13, 2019 22:24

Professional Memberships

Hospital Affiliations