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

Dr. Dean Ryan Longfellow, PSYD

Individual provider Clinical Psychologist · NPI 1609918853

Dr. Dean Ryan Longfellow, PSYD is a Clinical Psychologist in Sherwood, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
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

16850 SW Gleneagle Dr Ste 16B
Sherwood, OR 97140-9639
Phone: (503) 703-1222
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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 988 (OR)

Record details

NPI number1609918853
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedFebruary 13, 2007
Last updated in NPPESJuly 8, 2007
Mailing address16850 Sw Gleneagle Dr, Suite 16b, Sherwood, OR 97140-9639

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