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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Billy Loo:

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Specialties & Research

Dr. Billy Loo, MD, PHD is board certified in Radiation Oncology.

  • He has special expertise in 9 areas:
  • Cancer
  • Head and Neck Cancer
  • Lung Cancer
  • Mesothelioma (Asbestos-related Cancer)
  • Mouth Cancer
  • Radiation Oncology
  • Salivary Gland Cancer (Salivary Gland Neoplasm)
  • Throat Cancer (Laryngeal Neoplasm)
  • Thymus Tumor (Thymoma)

Education & Awards

Dr. Loo graduated from University of California at Davis.


Dr. Loo has 4 hospital affiliations:

  • Stanford Hospital and Clinics 
  • Lucile Salter Packard Children's Hospital @ Stanford 

> > > > Dr. Billy Loo, MD, PHD

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Additional Information
Dr. Billy W Loo MD and PHD is a male Radiation Oncologist, has 11 years of experience and practices in Radiation Oncology.
Where does Dr. Billy W. Loo practice?
Dr. Billy Loo has 1 office location.
Dr. Billy Loo practices Radiation Oncology near Palo Alto, CA.
See Palo Alto Radiologists.