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

Dr. Gregory K Brown, PHD

Individual provider Psychologist · NPI 1114164548

Dr. Gregory K Brown, PHD is a Psychologist in Philadelphia, Pennsylvania. Practices as a sole proprietor. Licensed in Delaware.

Licensed in
DE
In the registry since
2009
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

3535 Market St Rm 2030
Philadelphia, PA 19104-3309
Phone: (215) 898-4104
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence B10000265 (DE)

Record details

NPI number1114164548
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 7, 2009
Last updated in NPPESJanuary 7, 2009

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