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

MS. Maria Esther Martillo, LMSW

Individual provider Case Manager/Care Coordinator · NPI 1639304959

MS. Maria Esther Martillo, LMSW is a Case Manager/Care Coordinator in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2009
Specialties on file
2
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

465 Grand St Fl 2
New York, NY 10002-4800
Phone: (212) 420-1999
Fax: (212) 420-1910
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 094255 (NY)
Case Manager/Care Coordinator Taxonomy 171M00000X

Record details

NPI number1639304959
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorYes
NPI enumeratedMay 17, 2009
Last updated in NPPESMarch 19, 2015

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