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

James Siemianowski

Individual provider Clinical Social Worker · NPI 1417415944

James Siemianowski is a Clinical Social Worker in West Springfield, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2019

Practice location Address checks out

32 Brewster Rd
West Springfield, MA 01089-2112
Phone: (413) 313-5111
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 105844 (MA)

Record details

NPI number1417415944
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMarch 4, 2019
Last updated in NPPESMarch 4, 2019

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