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

Dr. Arnold Jay Klein, MD

Individual provider Specialist · NPI 1427162536

Dr. Arnold Jay Klein, MD is a Specialist in Portland, Oregon. Licensed in Oregon and Washington. Registered with an NPI since 2006.

Licensed in
OR, WA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3500 N Interstate Ave
Portland, OR 97227-1196 Not confirmed with CMS for 19 years — call before visiting
Phone: (503) 285-9321
Fax: (503) 331-6145
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence OR MD17046 (OR)
Specialist Taxonomy 174400000X · Licence WA MD00034916 (WA)

Record details

NPI number1427162536
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 18, 2006
Last updated in NPPESJuly 8, 2007

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