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
Mailing address1149 Bloomfield Ave, Clifton, NJ 07012-2314

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