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

Individual provider Clinical Psychologist · NPI 1548393689

Dr. Darren Marshall Janzen, PSYD is a Clinical Psychologist in Portland, Oregon. Qualified in 2005, 21 years ago. Practices with University Professional Services, a 1,704-clinician group and accepts Medicare assignment. Licensed in Idaho.

Years since qualifying
21
Licensed in
ID
In the registry since
2007
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

707 SW Gaines St Mail Code Cdrc
Portland, OR 97239-2901
Phone: (503) 494-3526
Fax: (503) 494-6868
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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 PSY-202344 (ID)

Record details

NPI number1548393689
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedMarch 14, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice University Professional Services — 1704 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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