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

Dr. Gary Greenberg, PHD

Individual provider Clinical Psychologist · NPI 1801942016

Dr. Gary Greenberg, PHD is a Clinical Psychologist in Northbrook, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
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

1500 Shermer Rd 348
Northbrook, IL 60062-5340
Phone: (847) 205-1955
Fax: (847) 205-1977
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 71-1084 (IL)

Record details

NPI number1801942016
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 28, 2007
Last updated in NPPESJuly 9, 2007

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