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

Individual provider Clinical Social Worker · NPI 1598059404

MS. Nancy Hoyt Duncan, LMSW is a Clinical Social Worker in Huntington, New York. Practices as a sole proprietor. Licensed in New York and Virginia.

Licensed in
NY, VA
In the registry since
2011
Specialties on file
2
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

177 Main St Ste 206
Huntington, NY 11743-6917
Phone: (631) 662-9330
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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 73-081586 (NY)
Clinical Social Worker Taxonomy 1041C0700X · Licence 0904006324 (VA)

Record details

NPI number1598059404
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorYes
NPI enumeratedJune 8, 2011
Last updated in NPPESMarch 3, 2015

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