MR. MARTIN HOWARD WINN LCSW
NPI 1629293923
Social Worker - Clinical in New York, NY

Active since April 13, 2007
380 LAFAYETTE ST STE 201 # 11, NEW YORK, NY 10003(212) 677-1147 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. Martin Howard Winn Lcsw NPPES

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

MR. MARTIN HOWARD WINN LCSW (NPI 1629293923) is an individual clinical provider in New York, New York, licensed in New York (R039623-1) and active in the NPI registry since April 2007.

NPPES Registry Identity

NPI1629293923
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. MARTIN HOWARD WINNCredential: LCSW
Location Address380 LAFAYETTE ST STE 201 # 11New York, NY 10003-6906
Mailing Address525 E 14th St Apt 5cNew York, NY 10009-3007 · (212) 677-1147
Sole ProprietorYes
Enumeration DateApril 13, 2007
Last NPPES UpdateSeptember 11, 2025
NPI 1629293923 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in NY · R039623-1
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.
Also ListedPsychoanalystTaxonomy 102L00000X · License R039623-1 (NY)
380 LAFAYETTE ST STE 201 # 11, New York, NY 10003

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 Martin Winn's NPI number?

The NPI number for Martin Winn is 1629293923. It was assigned to this individual provider in the NPPES registry on April 13, 2007.

Where is Martin Winn located?

Martin Winn practices at 380 Lafayette St Ste 201 # 11, New York, NY 10003. The listed phone number is (212) 677-1147.

What is Martin Winn's specialty?

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

When was this NPI record last updated?

The NPPES record for Martin Winn was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.