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

Dr. Mark Richard Treegoob, PHD

Individual provider Psychologist · NPI 1144214289

Dr. Mark Richard Treegoob, PHD is a Psychologist in Glendale, Arizona. Practices as a sole proprietor and works from 2 locations. Licensed in Arizona.

Licensed in
AZ
In the registry since
2005
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

19420 N 59th Ave Ste C269
Glendale, AZ 85308-2800
Phone: (602) 843-5484
Fax: (602) 843-5498
Show map & directions

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

Additional practice locations (1)

  • 19420 N 59th Ave, Glendale, AZ 85308-2800 — (602) 375-2868

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 629 (AZ)

Record details

NPI number1144214289
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 5, 2005
Last updated in NPPESOctober 20, 2022
Certification dateOctober 20, 2022
Mailing address19420 N 59th Ave, Ste C269, Glendale, AZ 85308-2800

Other providers in Glendale