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

Mary Ann Dietzen, PHD

Individual provider Counseling Psychologist · NPI 1376672667

Mary Ann Dietzen, PHD is a Counseling Psychologist in Spokane, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2007
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

4407 N Division St Ste 505
Spokane, WA 99207-1613
Phone: (509) 487-9131
Fax: (509) 482-9022
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Counseling Psychologist (primary) Taxonomy 103TC1900X · Licence 1559 (WA)

Record details

NPI number1376672667
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 5, 2007
Last updated in NPPESJuly 8, 2007

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