Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Steven Mermelstein, LSW

Individual provider Social Worker · NPI 1497693337

Steven Mermelstein, LSW is a Social Worker in Piscataway, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2026
What do these letters mean?
LSW — Licensed Social Worker
A state-licensed social worker.

See every abbreviation used in this directory →

Practice location Address checks out

671 Hoes Ln W
Piscataway, NJ 08854-8021
Phone: (732) 235-5879
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 44SL06789000 (NJ)

Record details

NPI number1497693337
Entity typeIndividual (Type 1)
GenderMale
Credentials LSW
Sole proprietorYes
NPI enumeratedMarch 23, 2026
Last updated in NPPESMarch 23, 2026
Certification dateMarch 23, 2026
Mailing address671 Hoes Ln W, Piscataway, NJ 08854-8021

Other providers in Piscataway