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

Abigail Hartwig, LMSW

Individual provider Social Worker · NPI 1720962889

Abigail Hartwig, LMSW is a Social Worker in New York, New York. Licensed in New York. Registered with an NPI since 2025.

Licensed in
NY
In the registry since
2025
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

347 W 37th St
New York, NY 10018-4202
Phone: (844) 400-1975
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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 120712 (NY)

Record details

NPI number1720962889
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorNo
NPI enumeratedAugust 2, 2025
Last updated in NPPESAugust 2, 2025
Certification dateAugust 2, 2025

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