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

Individual provider Clinical Social Worker · NPI 1659393072

Mr. Larry S. Klein, MSW is a Clinical Social Worker in New York, New York. Practices as a sole proprietor. Licensed in New Jersey and New York.

Licensed in
NJ, NY
In the registry since
2006
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

55 Water St 12th Fl
New York, NY 10041-0004 Not confirmed with CMS for 19 years — call before visiting
Phone: (646) 447-7266
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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 051596-1 (NY)
Clinical Social Worker Taxonomy 1041C0700X · Licence 44SC04536000 (NJ)

Record details

NPI number1659393072
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorYes
NPI enumeratedJuly 24, 2006
Last updated in NPPESJuly 8, 2007

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