OrganizationActive
Siobhan Masterson, Lcsw.r
NPI 1447749171 · Clinical Social Worker · Nyack, NY
Siobhan Masterson, Lcsw.r is a Clinical Social Worker organization in Nyack, NY (NPI 1447749171).
Provider details
- NPI number
- 1447749171
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Siobhan Masterson, Sole Proprietor(845) 608-7477
- License
- 071902 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
48 Burd St Ste 306
Nyack, NY 10960-3257
Phone: (845) 608-7477
Street-level locationGet directions
Mailing address
33 Old Haverstraw Rd
Congers, NY 10920-1915
Other names (DBA / former)
- Other name
- Siobhan Masterson
Registry dates
- Enumerated
- 2018-05-08
- Last updated
- 2018-05-08
Frequently asked questions
- What is Siobhan Masterson, Lcsw.r's NPI number?
- Siobhan Masterson, Lcsw.r's National Provider Identifier (NPI) is 1447749171, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Siobhan Masterson, Lcsw.r?
- Siobhan Masterson, Lcsw.r is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Siobhan Masterson, Lcsw.r located?
- Siobhan Masterson, Lcsw.r's practice location on file with NPPES is 48 Burd St Ste 306, Nyack, NY 10960-3257.
- What is Siobhan Masterson, Lcsw.r's phone number?
- The practice phone number listed in the NPPES registry for Siobhan Masterson, Lcsw.r is (845) 608-7477.
- Who is the authorized official for Siobhan Masterson, Lcsw.r?
- The authorized official listed on Siobhan Masterson, Lcsw.r's NPPES record is Siobhan Masterson, Sole Proprietor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Siobhan Masterson, Lcsw.r's NPI active?
- Yes — Siobhan Masterson, Lcsw.r's NPI (1447749171) is active in the NPPES registry as of the last update on 2018-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.