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

Dr. G. Grant Holtzberg, PHD

Individual provider Psychologist · NPI 1710900741

Dr. G. Grant Holtzberg, PHD is a Psychologist in West Hartford, Connecticut. Licensed in Connecticut. Registered with an NPI since 2006.

Licensed in
CT
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

345 N Main St Ste 302
West Hartford, CT 06117-2515
Phone: (860) 233-9772
Fax: (860) 236-9402
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 1538 (CT)

Record details

NPI number1710900741
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 25, 2006
Last updated in NPPESJuly 8, 2007

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