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

Individual provider Social Worker · NPI 1801324025

Sarah Hartzell, LMSW is a Social Worker in New York, New York. Practices as a sole proprietor and works from 3 locations. Licensed in New York.

Licensed in
NY
In the registry since
2017
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

352 7th Ave
New York, NY 10001
Phone: (347) 946-2657
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1841 Broadway Fl 4, New York, NY 10023-7603 — (212) 333-3444
  • 1841 Broadway Fl 4, New York, NY 10023-7603 — (212) 333-3444

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 092123 (NY)

Record details

NPI number1801324025
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorYes
NPI enumeratedJune 1, 2017
Last updated in NPPESJanuary 22, 2019

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