Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dean G Mastras, MD

Individual provider Radiation Oncology Physician · NPI 1487625851

Dean G Mastras, MD is a Radiation Oncology in Gig Harbor, Washington. Graduated from University of Vermont College of Medicine in 1989, 37 years ago. Practices with Tacoma Radiation Oncology Center Inc, Ps, a 6-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
37
Trained at
University of Vermont College of Medicine
Licensed in
WA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

11511 Canterwood Blvd Ste 50
Gig Harbor, WA 98332-5816
Phone: (253) 851-5155
Fax: (253) 627-8792
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 314 Martin Luther King Jr Way, Tacoma, WA 98405-4250 — (253) 627-6172

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence MD00029055 (WA)

Record details

NPI number1487625851
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 1, 2006
Last updated in NPPESSeptember 9, 2020
Certification dateSeptember 9, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF VERMONT COLLEGE OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Tacoma Radiation Oncology Center Inc, Ps — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Gig Harbor