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

Individual provider Clinical Social Worker · NPI 1821318114

Jonathan S Kessler, LCSW is a Clinical 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
2010
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

353 Lexington Ave Ste 200
New York, NY 10016-0977
Phone: (917) 859-3874
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 40 Flatbush Avenue Ext, Brooklyn, NY 11201-2903 — (718) 439-4324
  • 423 E 23rd St Fl 15, New York, NY 10010-5011 — (212) 686-7500

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 078153 (NY)

Record details

NPI number1821318114
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJune 9, 2010
Last updated in NPPESFebruary 26, 2020
Certification dateFebruary 26, 2020

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