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

Individual provider Clinical Social Worker · NPI 1861796211

Donna M Klassen, LCSW is a Clinical Social Worker in Brooklyn, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2010
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

78 71st St
Brooklyn, NY 11209-1102
Phone: (917) 836-2167
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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 R-047656 (NY)

Record details

NPI number1861796211
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedDecember 28, 2010
Last updated in NPPESDecember 28, 2010

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