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

John Philip Hammerstad, MD

Individual provider Neurology Physician · NPI 1174692446

John Philip Hammerstad, MD is a Neurology Physician in Portland, Oregon. Licensed in Oregon. Registered with an NPI since 2006.

Licensed in
OR
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

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone: (503) 494-7772
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence MD08310 (OR)

Record details

NPI number1174692446
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 8, 2006
Last updated in NPPESJuly 8, 2007
Mailing address17330 Grandview Ct, Lake Oswego, OR 97034-6362

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