Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dmitri Oster, LCSW, CASAC, MA

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1548591746

Dmitri Oster, LCSW, CASAC, MA is an Addiction (Substance Use Disorder) Counselor in Brooklyn, New York. Licensed in New York. Registered with an NPI since 2010.

Licensed in
NY
In the registry since
2010
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.
MA — Master of Arts
A graduate arts degree.

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Practice location Address checks out

1670 E 17th St 3rd Fl
Brooklyn, NY 11229-1281
Phone: (718) 233-2533
Fax: (718) 233-2584
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 22192 (NY)
Clinical Social Worker Taxonomy 1041C0700X · Licence 082119 (NY)

Record details

NPI number1548591746
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW , CASAC , MA
Sole proprietorNo
NPI enumeratedJanuary 28, 2010
Last updated in NPPESSeptember 2, 2014

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