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WILLIAM SINCLAIR LMSW
NPI 1629213343
Social Worker - Clinical in New York, NY

Active since December 09, 2008
19 UNION SQ W, 7TH FL, NEW YORK, NY 10003(212) 627-9600(212) 627-4040 Get Directions Write a Review

NPPES record last updated: December 9, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About William Sinclair Lmsw NPPES

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

WILLIAM SINCLAIR LMSW (NPI 1629213343) is an individual clinical provider in New York, New York, licensed in New York (00077872) and active in the NPI registry since December 2008.

NPPES Registry Identity

NPI1629213343
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameWILLIAM SINCLAIRCredential: LMSW
Location Address19 UNION SQ W, 7TH FLNew York, NY 10003-3304
Mailing Address19 Union Sq W, 7th FlNew York, NY 10003-3304 · (212) 627-9600 · Fax (212) 627-4040
Phone(212) 627-9600
Fax(212) 627-4040
Sole ProprietorNo
Enumeration DateDecember 9, 2008
✔ NPI 1629213343 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 · 00077872
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.
19 UNION SQ W, New York, NY 10003
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

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.

SHANNON MARIE GUNNIP MHC
Counselor (Mental Health)
19 UNION SQ W, 7TH FLOOR
NEW YORK, NY 10003
New York County (212) 627-9600
LETICIA PAULINO
Counselor (Addiction (Substance Use Disorder))
19 UNION SQ W, FLOOR 7
NEW YORK, NY 10003
New York County (212) 627-9600
LENI KOUIAS LCSW
Social Worker (Clinical)
19 UNION SQ W, 7TH FLOOR
NEW YORK, NY 10003
New York County (212) 627-9600
DALE SCUDDER
Counselor (Mental Health)
19 UNION SQ W, FLOOR 7
NEW YORK, NY 10003
New York County (212) 627-9600
FRANK GRAVES LMSW
Counselor (Mental Health)
19 UNION SQ W
NEW YORK, NY 10003
New York County (212) 627-9600
MRS. LAUREN O'TOOLE LMHC
Counselor (Addiction (Substance Use Disorder))
19 UNION SQ W, 7TH FLOOR
NEW YORK, NY 10003
New York County (212) 627-9600
RICHARD LEVY LMSW
Counselor (Professional)
19 UNION SQ W, 7TH FLOOR
NEW YORK, NY 10003
New York County (212) 627-9600
WILLIAM MYERS CASAC-T
Counselor (Addiction (Substance Use Disorder))
19 UNION SQ W, 7TH FLOOR
NEW YORK, NY 10003
New York County (212) 627-9600

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 William Sinclair's NPI number?

The NPI number for William Sinclair is 1629213343. It was assigned to this individual provider in the NPPES registry on December 9, 2008.

Where is William Sinclair located?

William Sinclair practices at 19 Union Sq W 7th Fl, New York, NY 10003. The listed phone number is (212) 627-9600.

What is William Sinclair's specialty?

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

What insurance does William Sinclair accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list William Sinclair as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Sinclair was last updated on December 9, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.