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

Dr. Gregory L. Duncan, PHD

Individual provider Psychologist · NPI 1750382388

Dr. Gregory L. Duncan, PHD is a Psychologist in Greenville, North Carolina. Practices as a sole proprietor. Licensed in North Carolina.

Licensed in
NC
In the registry since
2005
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

905 Johns Hopkins Dr
Greenville, NC 27834-7225
Phone: (252) 744-1406
Fax: (252) 744-2419
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X · Licence 798 (NC)
Psychologist Taxonomy 103T00000X · Licence 798 (NC)

Record details

NPI number1750382388
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 4, 2005
Last updated in NPPESFebruary 28, 2012

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