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

Dr. Irwin Grossman Jr., PHD

Individual provider Clinical Psychologist · NPI 1205892056

Dr. Irwin Grossman Jr., PHD is a Clinical Psychologist in Glendale, Arizona. Licensed in Arizona. Registered with an NPI since 2006.

Licensed in
AZ
In the registry since
2006
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

5757 W Thunderbird Rd W-401
Glendale, AZ 85306-4641
Phone: (602) 439-0475
Fax: (602) 439-0106
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 1302 (AZ)

Record details

NPI number1205892056
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedApril 21, 2006
Last updated in NPPESJuly 8, 2007

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