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

MS. Nancy Lois Klein, LCSW

Individual provider Clinical Social Worker · NPI 1639238421

MS. Nancy Lois Klein, LCSW is a Clinical Social Worker in New York, New York. Graduated from Columbia University College of Physicians and Surgeons in 1974, 52 years ago. Practices as a sole proprietor and offers telehealth. Licensed in New York.

Years since qualifying
52
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
NY
In the registry since
2006
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

11 Riverside Dr Ste 4
New York, NY 10023-2504 Not confirmed with CMS for 19 years — call before visiting
Phone: (212) 721-7240
Fax: (914) 722-4372
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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 PR015476-1 (NY)

Record details

NPI number1639238421
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedDecember 7, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1974 (52 years in practice)
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services

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