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

MS. Nancy Jane Lieff, LICSW

Individual provider Clinical Social Worker · NPI 1053509778

MS. Nancy Jane Lieff, LICSW is a Clinical Social Worker in Winchester, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2007
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

See every abbreviation used in this directory →

Practice location Address checks out

18 Sheffield Rd
Winchester, MA 01890-3548
Phone: (781) 729-3916
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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 103535 (MA)

Record details

NPI number1053509778
Entity typeIndividual (Type 1)
GenderFemale
Credentials LICSW
Sole proprietorYes
NPI enumeratedOctober 9, 2007
Last updated in NPPESOctober 9, 2007
Mailing address18 Sheffield Rd, Winchester, MA 01890-3548

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