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

Mr. Mark Steven Lewis, LCSW

Individual provider Clinical Social Worker · NPI 1518107655

Mr. Mark Steven Lewis, LCSW is a Clinical Social Worker in Delmar, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2009
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

230 Delaware Ave
Delmar, NY 12054-1242
Phone: (518) 928-5398
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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 73075878 (NY)

Record details

NPI number1518107655
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 3, 2009
Last updated in NPPESMarch 3, 2009

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