Simon S. Lo M.D. Accepting new patients

Accepting new patients Make an Appointment

Brain tumors, Gamma knife, Radiation oncology, Spine tumors




Simon Lo, M.D., is a board certified physician at UW Medical Center and Harborview, UW’s vice chair for Radiation Oncology Strategic Planning and a UW professor of Radiation Oncology and Neurological Surgery.

Dr. Lo is an internationally renowned radiation oncologist. He feels nothing is more fulfilling than seeing the positive impact his care makes to patients.

Dr. Lo earned his M.D. at the Chinese University of Hong Kong. He is the lead editor for three textbooks and co-editor of a fourth dedicated to brain and spine radiosurgery. He has given numerous lectures or training courses in prestigious meetings/conferences and universities in the US, Canada, Europe and Asia. He is a Fellow of American College of Radiology and President-elect for the Council of Affiliated Regional Radiation Oncology Societies, the radiation oncology chapter of the American College of Radiology.

Personal Interests

In his free time Dr. Lo enjoys pending time with family, traveling, hiking and listening to music.
Radiation Oncology Services at UWMC

Radiation Oncology Services at UWMC

1959 NE Pacific St., 1st Floor, NN 106 Seattle, WA 98195


Breast cancer, Cancer care, Gastrointestinal cancer, Liver and bile duct cancer care

Gamma Knife Center at Harborview

Gamma Knife Center at Harborview

325 9th Ave., Center Tower, Ground Floor, GCT 44 Seattle, WA 98104


Acoustic neuromas, Brain tumors, Meningiomas, Movement disorders/spasticity

Alvord Brain Tumor Center at UWMC

1959 NE Pacific St., 7th Floor, Pacific Tower Seattle, WA 98195


Brain tumors, Cancer care, Neuro-oncology (brain cancer), Neurosurgery

University of Minnesota Medical School

Residency, 2001, Radiation Oncology

Queen Elizabeth Hospital

Residency, 1997, Oncology

Kwong Wah Hospital

Fellowship, 1993, Orthopaedics

Prince of Wales Hospital

Internship, 1992

The Chinese University of Hong Kong

Medical Education, 1991


Board Certifications
  • Radiation Oncology, 2001, American Board of Radiology