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

Dr. Jan M Deroest, PSYD

Individual provider Clinical Psychologist · NPI 1114106028

Dr. Jan M Deroest, PSYD is a Clinical Psychologist in Troutdale, Oregon. Practices as a sole proprietor. Licensed in Oregon and Washington.

Licensed in
OR, WA
In the registry since
2007
Specialties on file
2
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

350 SW 30th Ct
Troutdale, OR 97060-3143
Phone: (503) 475-3274
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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 1842 (OR)
Clinical Psychologist Taxonomy 103TC0700X · Licence PY 00003927 (WA)

Record details

NPI number1114106028
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedOctober 26, 2007
Last updated in NPPESJuly 23, 2009