Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Brian J Duncan, PHD

Individual provider Clinical Psychologist · NPI 1356250575

Dr. Brian J Duncan, PHD is a Clinical Psychologist in Tempe, Arizona. Practices as a sole proprietor. Licensed in Arizona.

Licensed in
AZ
In the registry since
2026
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

1405 E Guadalupe Rd
Tempe, AZ 85283-3971
Phone: (480) 921-3314
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY-006141 (AZ)

Record details

NPI number1356250575
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 3, 2026
Last updated in NPPESSeptember 3, 2026
Certification dateSeptember 3, 2026

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