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

Dr. Diane B. Howieson, PHD

Individual provider Clinical Neuropsychologist · NPI 1144222381

Dr. Diane B. Howieson, PHD is a Clinical Neuropsychologist in Portland, Oregon. Licensed in Oregon. Registered with an NPI since 2005.

Licensed in
OR
In the registry since
2005
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1020 SW Taylor St Ste 720
Portland, OR 97205-2512
Phone: (503) 827-5135
Fax: (503) 636-8190
Show map & directions

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

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X · Licence 397 (OR)

Record details

NPI number1144222381
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 1, 2005
Last updated in NPPESJuly 13, 2026

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