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About Us

Gamma KnifeĀ® patients receive coordinated care from a multi-disciplinary team of neurosurgeons, radiation oncologists, radiation physicists, technicians and nurses. The team’s goal is to provide the most advanced, effective treatment in a compassionate and comfortable setting.

The Gamma Knife Team

The team is lead by two medical directors; radiation oncologist Randy Sorum, MD, and neurosurgeon Peter C. Shin, MD, MS.

Neurosurgery

Medical Director

Peter C. Shin

Peter C. Shin, MD, MS

Medical Director, Neurosurgery
South Sound Gamma Knife at St. Joseph
Neurosurgeon
South Sound Neurosurgery

Neurosurgeons

Alex Mohit

Alex Mohit, MD, PhD

Neurosurgeon
Neurosurgery Northwest – Tacoma
Franciscan Medical Group

Daniel G. Nehls

Daniel G. Nehls, MD, FACS

Neurosurgeon
Neurosurgery Northwest – Tacoma
Franciscan Medical Group

Richard N.W. Wohns

Richard N.W. Wohns, MD, MBA

Neurosurgeon
South Sound Neurosurgery

Anthony Harris MD

Anthony Harris, MD, PhD

Neurosurgeon
MultiCare Neurosurgery

Radiation Oncology

Medical Director

Randy Sorum

Randy Sorum, MD

Medical Director, Radiation Oncology
South Sound Gamma Knife at St. Joseph
Radiation Oncologist
Tacoma/Valley Radiation Oncology Centers

Gamma Knife-Trained Radiation Oncologists

Kenneth Bergman

Kenneth Bergman, MD

Radiation Oncologist
Tacoma/Valley Radiation Oncology Centers

Michael McDonough

Michael McDonough, MD

Radiation Oncologist
Tacoma/Valley Radiation Oncology Centers

Huong T. Pham

Huong T. Pham, MD

Radiation Oncologist
St. Francis Radiation Oncology Clinic

Herbert Wang MD

Herbert Wang, MD

Radiation Oncologist
Tacoma/Valley Radiation Oncology


John Rieke, MD, FACR

Radiation Oncologist
MultiCare Regional Cancer Center

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