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

Individual provider Psychologist · NPI 1871940395

Dr. Matthew Grant Liebman, PSYD is a Psychologist in Warren, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2016
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

5 Mountain Blvd Ste 4
Warren, NJ 07059-5650
Phone: (908) 757-1399
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 5803 (NJ)

Record details

NPI number1871940395
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedMay 16, 2016
Last updated in NPPESNovember 13, 2017

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