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SIOBHAN ANN MASTERSON LCSW-R
NPI 1508166737
Social Worker - Clinical in Yonkers, NY

Active since October 21, 2010Opted out of Medicare · through Apr 10, 2027
1156 N BROADWAY, ANDRUS CHILDREN'S CENTER, YONKERS, NY 10701(914) 965-3700 Get Directions Write a Review

NPPES record last updated: October 21, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Siobhan Ann Masterson Lcsw-r NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIOBHAN ANN MASTERSON LCSW-R (NPI 1508166737) is an individual clinical provider in Yonkers, New York, licensed in New York (071902) and active in the NPI registry since October 2010. She has opted out of Medicare through April 10, 2027.

NPPES Registry Identity

NPI1508166737
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameSIOBHAN ANN MASTERSONCredential: LCSW-R
Location Address1156 N BROADWAY, ANDRUS CHILDREN'S CENTERYonkers, NY 10701-1108
Mailing Address1156 N Broadway, Andrus Children's CenterYonkers, NY 10701-1108 · (914) 965-3700
Phone(914) 965-3700
Sole ProprietorNo
Enumeration DateOctober 21, 2010
✔ NPI 1508166737 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in NY · 071902
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
1156 N BROADWAY, Yonkers, NY 10701
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Other Identifiers 2

Other00745088NY · Agency Medicaid Id
Other1003991019NY · Agency Npi #

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Siobhan Ann Masterson Lcsw-r has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 10, 2025 through April 10, 2027.

Opt-Out Effective DateApril 10, 2025
Opt-Out In Effect ThroughApril 10, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MISS MARIEL LYNN TARATUNIO
Social Worker (Clinical)
1156 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 965-3700
JESSICA DI LELLO MS, CCC-SLP, TSSLD
Speech-Language Pathologist
1156 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 625-9205
TARA ANNE MCDONALD
Occupational Therapist
1156 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 965-3700
KELLY ANN JOST
Speech-Language Pathologist
1156 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 965-3700
FILOMENA LORUSSO LCSW
Social Worker
1156 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 965-3700
FRANCES CAMILLE CLAYTON LMSW
Social Worker (Clinical)
1156 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 965-3700
ANNELIESE SLATTUM
Social Worker (School)
1156 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 965-3700
WILLIAM CASTILLO
Social Worker (School)
1156 N BROADWAY
YONKERS, NY 10701
Westchester County (914) 965-9700

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Siobhan Masterson's NPI number?

The NPI number for Siobhan Masterson is 1508166737. It was assigned to this individual provider in the NPPES registry on October 21, 2010.

Where is Siobhan Masterson located?

Siobhan Masterson practices at 1156 N Broadway Andrus Children's Center, Yonkers, NY 10701. The listed phone number is (914) 965-3700.

What is Siobhan Masterson's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Siobhan Masterson enrolled in Medicare?

No. Siobhan Masterson has opted out of Medicare through April 10, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Siobhan Masterson was last updated on October 21, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.