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

Irvin Guyett, PHD

Individual provider Psychologist · NPI 1891832945

Irvin Guyett, PHD is a Psychologist in Pittsburgh, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2007
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

Bank Tower Bldg Ste 1100 307 Fourth Ave
Pittsburgh, PA 15222
Phone: (412) 261-3522
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS001654L (PA)

Record details

NPI number1891832945
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 30, 2007
Last updated in NPPESJuly 8, 2007
Mailing addressPo Box 2970, Pittsburgh, PA 15230-2970

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