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

Individual provider Social Worker · NPI 1801247028

Miss. Danielle Mastroieni, LMSW is a Social Worker in New York, New York. Practices as a sole proprietor. Licensed in New Jersey and New York.

Licensed in
NJ, NY
In the registry since
2016
Specialties on file
3
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

423 E 23rd St 15079S
New York, NY 10010-5011
Phone: (212) 686-7500
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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 092862 (NY)
Social Worker Taxonomy 104100000X · Licence 106053 (NY)
Social Worker Taxonomy 104100000X · Licence 44SL06240900 (NJ)

Record details

NPI number1801247028
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorYes
NPI enumeratedJune 29, 2016
Last updated in NPPESFebruary 23, 2022
Certification dateFebruary 23, 2022

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