Covid-19 Update | Announcement - Dr Pittier Now at St Joseph Medical Pavilion Location

Dr. Dean Mastras

Dr. Mastras earned his bachelor’s degree from Lehigh University and his medical degree from University of Vermont. He completed his postgraduate training at University of Hawaii and University of Washington Medical Center and was certified by the American Board of Radiology. Dr. Mastras joined Tacoma/Valley Radiation Oncology Centers in 1993. Dr. Mastras is board certified. He holds medical staff privileges at Tacoma General, Good Samaritan, Allenmore, St. Joseph, St. Francis and St. Clare Hospitals as well as Auburn General Hospital He holds memberships in multiple medical societies including the Pierce County Medical Society, Washington State Medical Association, the American Society for Therapeutic Radiation and Oncology, American College of Radiation Oncology, Western Association of Gynecologic Oncologists, and the American Medical Association.


Phone: 253-851-5155

Primary Clinic:

Jane Thompson Russell Cancer Care Center
15111 Canterwood Blvd NW Suite 50
Gig Harbor, WA 98332