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

Mr. Leonid Newhouse, MSW

Individual provider Specialist · NPI 1215113808

Mr. Leonid Newhouse, MSW is a Specialist in Quincy, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2008.

Licensed in
MA
In the registry since
2008
Specialties on file
2
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

114 Whitwell St
Quincy, MA 02169-1870
Phone: (617) 376-5658
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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 1022200 (MA)
Specialist Taxonomy 174400000X · Licence 1022200 (MA)

Record details

NPI number1215113808
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorNo
NPI enumeratedJanuary 14, 2008
Last updated in NPPESSeptember 17, 2020
Certification dateSeptember 17, 2020

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