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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. SEYMOUR KLEIN MDW, LCSW
NPI 1902870900
Marriage & Family Therapist in Livingston, NJ

Active since February 15, 2006
68 N MITCHELL AVE, LIVINGSTON, NJ 07039(973) 994-2450(973) 994-7949 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Mr. Seymour Klein Mdw, Lcsw NPPES

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

MR. SEYMOUR KLEIN MDW, LCSW (NPI 1902870900) is an individual marriage & family therapist in Livingston, New Jersey, licensed in New Jersey (37F100003400) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1902870900
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMR. SEYMOUR KLEINCredential: MDW, LCSW
Location Address68 N MITCHELL AVELivingston, NJ 07039-2144
Mailing Address68 N Mitchell AveLivingston, NJ 07039-2144 · (973) 994-2450 · Fax (973) 994-7949
Phone(973) 994-2450
Fax(973) 994-7949
Sole ProprietorNo
Enumeration DateFebruary 15, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1902870900 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in NJ · 37F100003400
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 44SC00083100 (NJ), PR022930-1 (ND)
68 N MITCHELL AVE, Livingston, NJ 07039
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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 Seymour Klein's NPI number?

The NPI number for Seymour Klein is 1902870900. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Where is Seymour Klein located?

Seymour Klein practices at 68 N Mitchell Ave, Livingston, NJ 07039. The listed phone number is (973) 994-2450.

What is Seymour Klein's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Seymour Klein was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 days 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.