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

Dr. Gary B Wieder, PHD

Individual provider Psychologist · NPI 1558387274

Dr. Gary B Wieder, PHD is a Clinical Psychologist in Seattle, Washington. Qualified in 1982, 44 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
44
Licensed in
WA
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

2101 4th Ave Ste 1380
Seattle, WA 98121-2336
Phone: (206) 443-0900
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 891 (WA)

Record details

NPI number1558387274
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 14, 2006
Last updated in NPPESMay 20, 2016
Mailing address2101 4th Ave, Ste 1380, Seattle, WA 98121-2336

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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