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

Heather Sieh, LMSW, LSWAIC

Individual provider Social Worker · NPI 1881468585

Heather Sieh, LMSW, LSWAIC is a Social Worker in Spokane, Washington. Licensed in Arizona and Washington. Registered with an NPI since 2023.

Licensed in
AZ, WA
In the registry since
2023
Specialties on file
2
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

100 N Howard St Ste W
Spokane, WA 99201-0508
Phone: (520) 401-7087
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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 SC61677438 (WA)
Social Worker Taxonomy 104100000X · Licence AZ16928 (AZ)

Record details

NPI number1881468585
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW , LSWAIC
Sole proprietorNo
NPI enumeratedNovember 13, 2023
Last updated in NPPESMay 15, 2025
Certification dateMay 15, 2025

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