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

Dr. Thomas Blake Hollenbach, PHD

Individual provider Psychologist · NPI 1225165327

Dr. Thomas Blake Hollenbach, PHD is a Psychologist in Clifton, New Jersey. Licensed in New Jersey and New York. Registered with an NPI since 2007.

Licensed in
NJ, NY
In the registry since
2007
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1149 Bloomfield Ave
Clifton, NJ 07012-2314
Phone: (973) 365-2300
Fax: (973) 365-0868
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 03781 (NJ)
Psychologist Taxonomy 103T00000X · Licence 012226 (NY)

Record details

NPI number1225165327
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedFebruary 27, 2007
Last updated in NPPESJuly 8, 2007

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