Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. James Eliot Masten, LCSW, PHD

Individual provider Clinical Social Worker · NPI 1811074453

Mr. James Eliot Masten, LCSW, PHD 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
2006
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

244 5th Ave # 8H
New York, NY 10001-7604
Phone: (212) 691-2173
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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 051205-1 (NY)

Record details

NPI number1811074453
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW , PHD
Sole proprietorYes
NPI enumeratedNovember 1, 2006
Last updated in NPPESOctober 1, 2025
Certification dateOctober 1, 2025

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