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

Individual provider Psychologist · NPI 1790852754

Dr. Marie Katherine McMahon, PSYD is a Psychologist in Vancouver, Washington. Licensed in Oregon and Washington. Registered with an NPI since 2006.

Licensed in
OR, WA
In the registry since
2006
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

400 E Evergreen Blvd Ste #311
Vancouver, WA 98660
Phone: (360) 686-9594
Fax: (360) 906-7111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PY00003105 (WA)
Psychologist Taxonomy 103T00000X · Licence 1636 (OR)

Record details

NPI number1790852754
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorNo
NPI enumeratedNovember 28, 2006
Last updated in NPPESJuly 8, 2007

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