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

Marissa J. Block, LMSW

Individual provider Social Worker · NPI 1720391766

Marissa J. Block, LMSW is a Social Worker in New York, New York. Licensed in New York. Registered with an NPI since 2010.

Licensed in
NY
In the registry since
2010
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

1824 Madison Ave
New York, NY 10035-3832
Phone: (212) 423-4500
Fax: (212) 423-4577
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 081358 (NY)

Record details

NPI number1720391766
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorNo
NPI enumeratedJuly 20, 2010
Last updated in NPPESJuly 20, 2010

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