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

David Lewallen, PSYD

Individual provider Mental Health Counselor · NPI 1457721979

David Lewallen, PSYD is a Mental Health Counselor in West Linn, Oregon. Registered with an NPI since 2015.

In the registry since
2015
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

21900 Willamette Dr Ste 202
West Linn, OR 97068-3284
Phone: (503) 653-0631
Fax: (503) 653-1464
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X
Mental Health Counselor Taxonomy 101YM0800X

Record details

NPI number1457721979
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedSeptember 26, 2015
Last updated in NPPESJanuary 22, 2025
Certification dateJanuary 22, 2025
Mailing address190 Se 8th Ave # 181, Hillsboro, OR 97123-4216

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