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

Marc Liu, LMSW

Individual provider Social Worker · NPI 1942831813

Marc Liu, LMSW is a Social Worker in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2020
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

501 W 123rd St Apt 19D
New York, NY 10027-5011
Phone: (917) 442-1452
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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 108646-01 (NY)

Record details

NPI number1942831813
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorYes
NPI enumeratedJanuary 30, 2020
Last updated in NPPESJanuary 30, 2020
Certification dateJanuary 30, 2020

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