STEVEN MERMELSTEIN LSW
NPI 1497693337
Social Worker in Piscataway, NJ

Active since March 23, 2026
671 HOES LN W, PISCATAWAY, NJ 08854(732) 235-5879 Get Directions Write a Review

NPPES record last updated: March 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Steven Mermelstein Lsw NPPES

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

STEVEN MERMELSTEIN LSW (NPI 1497693337) is an individual social worker in Piscataway, New Jersey, licensed in New Jersey (44SL06789000) and active in the NPI registry since March 2026.

NPPES Registry Identity

NPI1497693337
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameSTEVEN MERMELSTEINCredential: LSW
Location Address671 HOES LN WPiscataway, NJ 08854-8021
Mailing Address671 Hoes Ln WPiscataway, NJ 08854-8021
Sole ProprietorYes
Enumeration DateMarch 23, 2026
NPPES CertifiedMarch 23, 2026
NPI 1497693337 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License Licensed in NJ · 44SL06789000
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
671 HOES LN W, Piscataway, NJ 08854

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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.

Counselor (Mental Health)
671 HOES LN W
PISCATAWAY, NJ 08854
Case Manager/Care Coordinator
671 HOES LN W
PISCATAWAY, NJ 08854
Counselor (Professional)
671 HOES LN W
PISCATAWAY, NJ 08854
Social Worker
671 HOES LN W
PISCATAWAY, NJ 08854
Social Worker
671 HOES LN W
PISCATAWAY, NJ 08854
Case Manager/Care Coordinator
671 HOES LN W
PISCATAWAY, NJ 08854
Social Worker (Clinical)
671 HOES LN W
PISCATAWAY, NJ 08854
Social Worker (Clinical)
671 HOES LN W
PISCATAWAY, NJ 08854

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 Steven Mermelstein's NPI number?

The NPI number for Steven Mermelstein is 1497693337. It was assigned to this individual provider in the NPPES registry on March 23, 2026.

Where is Steven Mermelstein located?

Steven Mermelstein practices at 671 Hoes Ln W, Piscataway, NJ 08854. The listed phone number is (732) 235-5879.

What is Steven Mermelstein's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Steven Mermelstein was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.