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

MS. O. Keeley Teemsma, LCSW

Individual provider Clinical Social Worker · NPI 1801113345

MS. O. Keeley Teemsma, LCSW is a Clinical Social Worker in Brooklyn, New York. Practices as a sole proprietor and works from 5 locations. Registered with an NPI since 2010.

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.

See every abbreviation used in this directory →

Practice location Address checks out

159 20th St Ste 1B
Brooklyn, NY 11232
Phone: (646) 685-4499
Fax: (516) 218-7964
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 159 20th St Ste 1b, Brooklyn, NY 11232 — (646) 685-4499
  • 42 Broadway Fl 12, New York, NY 10004-3892 — (646) 685-4499
  • 14 Wall St Fl 20, New York, NY 10005-2123 — (646) 685-4499
  • 140 Broadway Fl 46, New York, NY 10005-1155 — (646) 685-4499

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X

Record details

NPI number1801113345
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedApril 23, 2010
Last updated in NPPESJanuary 20, 2022
Certification dateJanuary 20, 2022

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