Robert Douglas, M.D.
Brian Lee, M.D., Ph.D
Vivek Mehta, M.D.
Robert Meier, M.D.
Sandra Vermeulen, M.D.

Radiation Oncologists

A radiation oncologist is a physician who has received four years of additional training in the use of radiation to treat cancer. Each of the radiation oncologists at Seattle CyberKnife Center is CyberKnife certified. All of them have many years of experience and are experts in their field. The radiation oncologist collaborates with the medical physicist to develop, prescribe and manage your treatment plan. He or she will follow your progress during and after treatment to help manage any side effects, and will work closely with your personal physician and oncologist.

Meet our radiation oncologists

Robert M. Douglas, M.D.
Radiation Oncologist, Swedish Medical Center
Brian Lee, M.D., Ph.D
Radiation Oncologist, Swedish Medical Center
Vivek Mehta, M.D.
Radiation Oncologist, Swedish Medical Center
Robert Meier, M.D.
Radiation Oncologist, Swedish Medical Center
Sandra S. Vermeulen, M.D.
Radiation Oncologist, Swedish Medical Center
Co-Director, Seattle CyberKnife Center

Talk with a CyberKnife expert.

Our experienced CyberKnife physicians can offer you the best advice on treatment options.

For more information or to talk with one of our experts, please contact us at:

Tel: 206-320-7130
Fax: 206-320-7137

CyberKnife Treatment


What is CyberKnife?

Treatment Process

How CyberKnife Works

  Watch the CyberKnife Treatment Overview Video

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