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

Margaret Vanderwaerden PT PLLC

Organization Physical Therapist · NPI 1962440982

Margaret Vanderwaerden PT PLLC is a Physical Therapist in Woodinville, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

17330 135th Ave Ste 1C
Woodinville, WA 98072
Phone: (425) 481-0236
Fax: (425) 481-8266
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence PT00003250 (WA)

Record details

NPI number1962440982
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Margaret Vanderwaerden — Owner · (425) 481-0236
Other names Alpha Physical Therapy
NPI enumeratedJune 3, 2006
Last updated in NPPESApril 20, 2008
Mailing address17330 135th Ave, Ste 1c, Woodinville, WA 98072

Other providers in Woodinville