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

Hong Viet Nguyen, PHD

Individual provider Mental Health Counselor · NPI 1891853404

Hong Viet Nguyen, PHD is a Mental Health Counselor in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
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.

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Practice location Address checks out

1200 5th Ave Ste 800
Seattle, WA 98101-3132
Phone: (206) 374-0109
Fax: (206) 374-0108
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PY60604135 (WA)
Mental Health Counselor Taxonomy 101YM0800X · Licence RC00056436 (WA)

Record details

NPI number1891853404
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedDecember 5, 2006
Last updated in NPPESNovember 13, 2015

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