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Steven Johnson, MD, PHD
NPI 1992813471 · Neurology Physician · Portland, OR
Steven Johnson, MD, PHD is a Neurology Physician provider in Portland, OR (NPI 1992813471).
Provider details
- NPI number
- 1992813471
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD14997 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
3181 Sw Sam Jackson Park Rd
Dept Neurology, Oregon Health & Science University
Portland, OR 97239-3011
Phone: (503) 220-3416
Fax: (503) 721-7906
Street-level locationGet directions
Mailing address
3181 Sw Sam Jackson Park Rd
Portland, OR 97239-3011
Registry dates
- Enumerated
- 2006-08-26
- Last updated
- 2007-07-13
Frequently asked questions
- What is Steven Johnson's NPI number?
- Steven Johnson's National Provider Identifier (NPI) is 1992813471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Johnson's specialty?
- Steven Johnson is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Johnson located?
- Steven Johnson's practice location on file with NPPES is 3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011.
- What is Steven Johnson's phone number?
- The practice phone number listed in the NPPES registry for Steven Johnson is (503) 220-3416.
- Is Steven Johnson's NPI active?
- Yes — Steven Johnson's NPI (1992813471) is active in the NPPES registry as of the last update on 2007-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.