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

Dr. Douglas William Treese, PHD

Individual provider Counseling Psychologist · NPI 1154483881

Dr. Douglas William Treese, PHD is a Counseling Psychologist in Chandler, Arizona. Practices as a sole proprietor. Licensed in Arizona.

Licensed in
AZ
In the registry since
2006
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

1256 W Chandler Blvd Ste 13
Chandler, AZ 85224-5207
Phone: (480) 821-7857
Fax: (480) 821-7886
Show map & directions

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

Specialties & licences

Counseling Psychologist (primary) Taxonomy 103TC1900X · Licence 1646 (AZ)

Record details

NPI number1154483881
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 16, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1137 W 12th St, Tempe, AZ 85281-5364

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