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

Mr. Gregory John Lewis, LCSW

Individual provider Clinical Social Worker · NPI 1770607905

Mr. Gregory John Lewis, LCSW is a Clinical Social Worker in Patchogue, 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

70 E Main St Ste #2
Patchogue, NY 11772-3102
Phone: (631) 758-5495
Fax: (631) 758-5495
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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 PR024862 (NY)

Record details

NPI number1770607905
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 16, 2007
Last updated in NPPESJuly 8, 2007

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