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

Siobhan Masterson, LCSW R

Organization Clinical Social Worker · NPI 1447749171

Siobhan Masterson, LCSW R is a Clinical Social Worker in Nyack, New York. Licensed in New York. Registered with an NPI since 2018.

Licensed in
NY
In the registry since
2018

Practice location Address checks out

48 Burd St Ste 306
Nyack, NY 10960-3257
Phone: (845) 608-7477
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 071902 (NY)

Record details

NPI number1447749171
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Siobhan Masterson — Sole Proprietor · (845) 608-7477
Other names Siobhan Masterson
NPI enumeratedMay 8, 2018
Last updated in NPPESMay 8, 2018
Mailing address33 Old Haverstraw Rd, Congers, NY 10920-1915

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