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

William Margraf, LCSW

Individual provider Clinical Social Worker · NPI 1699613737

William Margraf, LCSW is a Clinical Social Worker in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2026
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

500 W 111th St Apt 3A
New York, NY 10025-1905
Phone: (917) 280-3151
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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 074355 (NY)

Record details

NPI number1699613737
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 23, 2026
Last updated in NPPESMarch 23, 2026
Certification dateMarch 22, 2026

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