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

MS. Nancy J Leff, LCSW

Individual provider Social Worker · NPI 1124073499

MS. Nancy J Leff, LCSW is a Social Worker in Madison, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
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

2709 Marshall Ct
Madison, WI 53705-2255
Phone: (608) 231-3191
Fax: (608) 231-3108
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 2401-123 (WI)

Record details

NPI number1124073499
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedMay 24, 2006
Last updated in NPPESJanuary 23, 2008

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