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

Individual provider Clinical Psychologist · NPI 1093299919

Dr. Clayton John Hartmann, PHD is a Clinical Psychologist in Portland, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2018
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

5261 N Yale St
Portland, OR 97203-5259
Phone: (805) 689-6607
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 3083 (OR)

Record details

NPI number1093299919
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 17, 2018
Last updated in NPPESApril 10, 2022
Certification dateApril 10, 2022

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