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

Dr. Sarah N Stiefel Mandelbaum, PHD, LCSW

Individual provider Clinical Social Worker · NPI 1679321830

Dr. Sarah N Stiefel Mandelbaum, PHD, LCSW is a Clinical Social Worker in Fair Lawn, New Jersey. Licensed in New Jersey. Registered with an NPI since 2024.

Licensed in
NJ
In the registry since
2024
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

3-01 Alyson St
Fair Lawn, NJ 07410-1426
Phone: (404) 660-7897
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 44SL06353400 (NJ)

Record details

NPI number1679321830
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , LCSW
Sole proprietorNo
NPI enumeratedMay 10, 2024
Last updated in NPPESSeptember 30, 2024
Certification dateSeptember 30, 2024

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