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

Individual provider Social Worker · NPI 1922671262

MS. Sandya Viswanathan, LCSW is a Social Worker in New York, New York. Practices as a sole proprietor and works from 3 locations. Licensed in New York.

Licensed in
NY
In the registry since
2021
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

5 E 17th St Fl 2
New York, NY 10003-1949
Phone: (212) 989-2990
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 135 Ocean Pkwy Apt 16t, Brooklyn, NY 11218-2594 — (917) 797-9346
  • 16 Madison Sq W Fl 9, New York, NY 10010-1629 — (917) 797-9346

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 113434 (NY)

Record details

NPI number1922671262
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJuly 23, 2021
Last updated in NPPESJanuary 13, 2025
Certification dateJanuary 13, 2025

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