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

Dr. Gregory Alan Marvel, PHD

Individual provider Psychologist · NPI 1881874220

Dr. Gregory Alan Marvel, PHD is a Psychologist in Benson, Arizona. Practices as a sole proprietor. Licensed in Arizona.

Licensed in
AZ
In the registry since
2007
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.

See every abbreviation used in this directory →

Practice location Address checks out

273 W Bonita St
Benson, AZ 85602-6809
Phone: (520) 586-0135
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 966 (AZ)
Clinical Psychologist Taxonomy 103TC0700X · Licence 966 (AZ)

Record details

NPI number1881874220
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 13, 2007
Last updated in NPPESNovember 13, 2007
Mailing address273 W Bonita St, Benson, AZ 85602-6809