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

Dr. Masaki Mark Yamada, PHD

Individual provider Clinical Psychologist · NPI 1356674402

Dr. Masaki Mark Yamada, PHD is a Clinical Psychologist in Bellevue, Washington. Graduated from University of Texas Southwestern Medical School at Dallas in 1996, 30 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
30
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
WA
In the registry since
2009
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1400 112th Ave SE Ste 204
Bellevue, WA 98004-6901
Phone: (425) 444-7733
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PY2283 (WA)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence PY2283 (WA)

Record details

NPI number1356674402
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 8, 2009
Last updated in NPPESJuly 2, 2014

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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