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

Philip L. Knowles, PHD

Individual provider Psychologist · NPI 1811052905

Philip L. Knowles, PHD is a Psychologist in Edmonds, Washington. Licensed in Washington. Registered with an NPI since 2006.

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

21616 76th Ave W #102
Edmonds, WA 98026-7512
Phone: (425) 774-1538
Fax: (425) 744-1527
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PY00000874 (WA)

Record details

NPI number1811052905
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedDecember 27, 2006
Last updated in NPPESNovember 4, 2011
Mailing addressPo Box 5194, Lynnwood, WA 98046-5194

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