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

MS. Diane Marie Lostrangio, MSW

Individual provider Clinical Social Worker · NPI 1265729545

MS. Diane Marie Lostrangio, MSW is a Clinical Social Worker in Seattle, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2011
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

225 14th Ave E
Seattle, WA 98112-5275
Phone: (206) 799-4736
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence WA 00006334 (WA)

Record details

NPI number1265729545
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedJuly 7, 2011
Last updated in NPPESJuly 7, 2011

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