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

Mr. David Geltzer, LMSW

Individual provider Social Worker · NPI 1659202448

Mr. David Geltzer, LMSW is a Social Worker in Brooklyn, New York. Practices as a sole proprietor. Licensed in New Jersey and New York.

Licensed in
NJ, NY
In the registry since
2026
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

255 15th St
Brooklyn, NY 11215-4988
Phone: (718) 788-5101
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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 128805-01 (NY)
Social Worker Taxonomy 104100000X · Licence 44SL07426500 (NJ)

Record details

NPI number1659202448
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorYes
NPI enumeratedMay 28, 2026
Last updated in NPPESMay 28, 2026
Certification dateMay 28, 2026

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