Siobhan Masterson, LCSW-R
NPI 1508166737 · Clinical Social Worker · Yonkers, NY
Siobhan Masterson, LCSW-R is a Clinical Social Worker provider in Yonkers, NY (NPI 1508166737).
Provider details
- NPI number
- 1508166737
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW-R
- Sex
- Female
- Sole proprietor
- No
- License
- 071902 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
Mailing address
Registry dates
- Enumerated
- 2010-10-21
- Last updated
- 2010-10-21
Frequently asked questions
- What is Siobhan Masterson's NPI number?
- Siobhan Masterson's National Provider Identifier (NPI) is 1508166737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siobhan Masterson's specialty?
- Siobhan Masterson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Siobhan Masterson located?
- Siobhan Masterson's practice location on file with NPPES is 1156 N Broadway, Yonkers, NY 10701-1108.
- What is Siobhan Masterson's phone number?
- The practice phone number listed in the NPPES registry for Siobhan Masterson is (914) 965-3700.
- Is Siobhan Masterson's NPI active?
- Yes — Siobhan Masterson's NPI (1508166737) is active in the NPPES registry as of the last update on 2010-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.