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

Thomas Russell Geen, PHD

Individual provider Forensic Psychologist · NPI 1316108665

Thomas Russell Geen, PHD is a Forensic Psychologist in Tempe, Arizona. Practices as a sole proprietor. Licensed in Arizona.

Licensed in
AZ
In the registry since
2008
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

4411 S Rural Rd Ste 201
Tempe, AZ 85282-7072
Phone: (612) 930-2202
Fax: (602) 442-4085
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 3572 (AZ)
Forensic Psychologist Taxonomy 103TF0200X · Licence 3572 (AZ)

Record details

NPI number1316108665
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 19, 2008
Last updated in NPPESMarch 25, 2020
Certification dateMarch 25, 2020