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

Dr. Dorothy Nell Knapp, PHD

Individual provider Clinical Psychologist · NPI 1346682390

Dr. Dorothy Nell Knapp, PHD is a Clinical Psychologist in Tualatin, Oregon. Licensed in Oregon. Registered with an NPI since 2013.

Licensed in
OR
In the registry since
2013
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

19250 SW 65th Ave Ste 300
Tualatin, OR 97062-7452
Phone: (503) 692-1242
Fax: (503) 691-3615
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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 942 (OR)

Record details

NPI number1346682390
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 18, 2013
Last updated in NPPESJuly 18, 2013
Mailing address19250 Sw 65th Ave, Suite 300, Tualatin, OR 97062-7452

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