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

Individual provider Clinical Social Worker · NPI 1528173101

Mr. Arthur Castellano, MSW is a Clinical Social Worker in Massapequa, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
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

5254 Merrick Rd Ste 11 Nassau Shores Professional Bldg
Massapequa, NY 11758
Phone: (516) 606-1203
Fax: (516) 799-6324
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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 R0256851 (NY)
Clinical Social Worker Taxonomy 1041C0700X

Record details

NPI number1528173101
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorNo
NPI enumeratedAugust 21, 2006
Last updated in NPPESMarch 2, 2018

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