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

Mr. Marc H Diamond, LCSW

Individual provider Clinical Social Worker · NPI 1043499973

Mr. Marc H Diamond, LCSW is a Clinical Social Worker in Ardsley, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2007
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

616 Ashford Ave
Ardsley, NY 10502-2424
Phone: (914) 693-4801
Fax: (914) 693-4927
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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 PR024329-1 (NY)

Record details

NPI number1043499973
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedOctober 27, 2007
Last updated in NPPESOctober 27, 2007

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