IRVING W HAHN LCSW
NPI 1164638375
Social Worker - Clinical in New York, NY

Active since May 15, 2007
5 W 86TH ST, SUITE 1D, NEW YORK, NY 10024(212) 580-3535(212) 580-3535 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Irving W Hahn Lcsw NPPES

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

IRVING W HAHN LCSW (NPI 1164638375) is an individual clinical provider in New York, New York, licensed in New York (PR024585-1) and active in the NPI registry since May 2007.

NPPES Registry Identity

NPI1164638375
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameIRVING W HAHNCredential: LCSW
Location Address5 W 86TH ST, SUITE 1DNew York, NY 10024-3603
Mailing Address51 W 81st St Apt 7dNew York, NY 10024-6010 · (212) 496-8380 · Fax (212) 580-3535
Fax(212) 580-3535
Sole ProprietorYes
Enumeration DateMay 15, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1164638375 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 · PR024585-1
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.
5 W 86TH ST, New York, NY 10024

Other Identifiers 1

Medicare ID-Type UnspecifiedN1K492NY

Other Providers at the Same Location NPPES 19

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

Psychiatry & Neurology (Psychiatry)
5 W 86TH ST
NEW YORK, NY 10024
Psychologist (Clinical)
5 W 86TH ST, 1D
NEW YORK, NY 10024
Psychiatry & Neurology (Psychiatry)
5 W 86TH ST, SUITE 6A
NEW YORK, NY 10024
Social Worker
5 W 86TH ST, APT 3A
NEW YORK, NY 10024
Psychologist (Clinical)
5 W 86TH ST, SUITE 9C
NEW YORK, NY 10024
Psychiatry & Neurology (Psychiatry)
5 W 86TH ST, SUITE 1A
NEW YORK, NY 10024
Counselor (Mental Health)
5 W 86TH ST, SUITE 1AA
NEW YORK, NY 10024
Psychologist (Clinical)
5 W 86TH ST, SUITE # 1-A
NEW YORK, NY 10024

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 Irving Hahn's NPI number?

The NPI number for Irving Hahn is 1164638375. It was assigned to this individual provider in the NPPES registry on May 15, 2007.

Where is Irving Hahn located?

Irving Hahn practices at 5 W 86th St Suite 1D, New York, NY 10024. The listed phone number is (212) 580-3535.

What is Irving Hahn'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 Irving Hahn was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.