Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Marvinleibowitz, Ph D , LLC

Organization Clinical Psychologist · NPI 1619297660

Marvinleibowitz, Ph D , LLC provides Clinical Psychologist services in Ridgewood, New Jersey. Licensed in New Jersey. Registered with an NPI since 2010.

Licensed in
NJ
In the registry since
2010
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

61 N Maple Ave 101
Ridgewood, NJ 07450-3255 Not confirmed with CMS for 16 years — call before visiting
Phone: (201) 445-6378
Fax: (201) 445-3300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 35S100088200 (NJ)

Record details

NPI number1619297660
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Marvin Leibowitz — General Partner · (201) 445-6378
NPI enumeratedJune 1, 2010
Last updated in NPPESJune 1, 2010
Mailing address61 N Maple Ave, 101, Ridgewood, NJ 07450-3255

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