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

Dr. Nathan Joseph Stumpf, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1881337269

Dr. Nathan Joseph Stumpf, MD is a Geriatric Medicine (Internal Medicine) Physician in Portland, Oregon. Licensed in Oregon. Registered with an NPI since 2022.

Licensed in
OR
In the registry since
2022
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

500 NE Multnomah St Ste 100
Portland, OR 97232-2099
Phone: (360) 571-3005
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence PG226671 (OR)

Record details

NPI number1881337269
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 14, 2022
Last updated in NPPESAugust 5, 2026
Certification dateAugust 5, 2026

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