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

Mr. Mark G Calder, LCSW

Individual provider Social Worker · NPI 1699179101

Mr. Mark G Calder, LCSW is a Social Worker in Huntington, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2014
Specialties on file
2
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

17 E Carver St
Huntington, NY 11743-3409
Phone: (631) 673-5433
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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 091092-01 (NY)
Social Worker Taxonomy 104100000X · Licence 093348 (NY)

Record details

NPI number1699179101
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedOctober 13, 2014
Last updated in NPPESMarch 24, 2021
Certification dateMarch 24, 2021

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