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

Dr. Gregory A Long, PHD

Individual provider Psychologist · NPI 1225106438

Dr. Gregory A Long, PHD is a Psychologist in Dekalb, Illinois. Licensed in Arkansas. Registered with an NPI since 2006.

Licensed in
AR
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

1 Lucinda Ave Niu Speech-Language And Hearing Clinic
Dekalb, IL 60115-2899
Phone: (815) 753-6508
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 86-13P (AR)

Record details

NPI number1225106438
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedDecember 4, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1 Lucinda Ave., Niu Speech-Language And Hearing Clinic, Dekalb, IL 60115-2899