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

Individual provider Clinical Social Worker · NPI 1558887331

Hannah Leah Lassman, LICSW is a Clinical Social Worker in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2017.

Licensed in
WA
In the registry since
2017
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

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Practice location Address checks out

2617B NW 57th St
Seattle, WA 98107-3246
Phone: (206) 790-0552
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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 60707473 (WA)

Record details

NPI number1558887331
Entity typeIndividual (Type 1)
GenderFemale
Credentials LICSW
Sole proprietorNo
NPI enumeratedAugust 14, 2017
Last updated in NPPESAugust 14, 2017

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