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

Dr. Gregg D Jacobs, PHD

Individual provider Clinical Psychologist · NPI 1326133604

Dr. Gregg D Jacobs, PHD is a Clinical Psychologist in Worcester, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
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

85 Prescott St
Worcester, MA 01605-2610
Phone: (508) 793-4958
Fax: (508) 334-8127
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 4595 (MA)

Record details

NPI number1326133604
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESJanuary 25, 2017

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