Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Steven William Johnson, MD, PHD

Individual provider Neurology Physician · NPI 1992813471

Dr. Steven William Johnson, MD, PHD is a Neurology Physician in Portland, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

3181 SW Sam Jackson Park Rd Dept Neurology Oregon Health & Science University
Portland, OR 97239-3011
Phone: (503) 220-3416
Fax: (503) 721-7906
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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 MD14997 (OR)

Record details

NPI number1992813471
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedAugust 26, 2006
Last updated in NPPESJuly 13, 2007

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