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

Dr. John Oppenheimer, MD

Individual provider Internal Medicine Physician · NPI 1922071513

Dr. John Oppenheimer, MD is an Internal Medicine Physician in Portland, Oregon. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
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

1130 NW 22nd Ave #220 Legacy Clinic Northwest
Portland, OR 97210-3025
Phone: (503) 413-8988
Fax: (503) 274-4815
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036058549 (IL)

Record details

NPI number1922071513
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 13, 2006
Last updated in NPPESFebruary 24, 2011

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