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

Mr. Louis Marcellino, LCSW

Individual provider Social Worker · NPI 1356373989

Mr. Louis Marcellino, LCSW is a Social Worker in Staten Island, 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.

See every abbreviation used in this directory →

Practice location Address checks out

3 William Ave
Staten Island, NY 10308-3142
Phone: (718) 227-7800
Fax: (718) 983-0348
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence R032049 (NY)

Record details

NPI number1356373989
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJuly 6, 2006
Last updated in NPPESJuly 8, 2007

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