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

Diane Weyer Dewitt, PHD

Individual provider Forensic Psychologist · NPI 1922506377

Diane Weyer Dewitt, PHD is a Forensic Psychologist in Bellevue, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2018
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

12356 Northup Way Ste 100
Bellevue, WA 98005-1956
Phone: (425) 867-1500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Forensic Psychologist (primary) Taxonomy 103TF0200X · Licence 0893 (WA)

Record details

NPI number1922506377
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 30, 2018
Last updated in NPPESJanuary 30, 2018
Mailing address12356 Northup Way Ste 100, Bellevue, WA 98005-1956

Other providers in Bellevue