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

MS. Katherine Hollwitz, LMSW

Individual provider Social Worker · NPI 1790027738

MS. Katherine Hollwitz, LMSW is a Social Worker in Brooklyn, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2013
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

260 Broadway 4th Fl
Brooklyn, NY 11211-8433
Phone: (347) 505-5120
Fax: (718) 388-0896
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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 P85827 (NY)

Record details

NPI number1790027738
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorYes
NPI enumeratedMarch 16, 2013
Last updated in NPPESMarch 16, 2013

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