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

Individual provider Clinical Social Worker · NPI 1467691253

Mrs. Siobhan Marie Dannacker, LCSW is a Clinical Social Worker in New York, New York. Works from 2 locations. Licensed in New York.

Licensed in
NY
In the registry since
2009
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

423 E 23rd St
New York, NY 10010-5011
Phone: (212) 686-7500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 9729 64th Rd, Rego Park, NY 11374-2240 — (718) 896-3400

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 070036 (NY)

Record details

NPI number1467691253
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedFebruary 18, 2009
Last updated in NPPESMarch 17, 2018

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