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
Show map & directions

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
Mailing address350 Sw 30th Ct, Troutdale, OR 97060-3143