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.

IndividualActive

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)

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

More OR providers

Mailing address

3181 Sw Sam Jackson Park Rd

Portland, OR 97239-3011

Specialties & taxonomies

Neurology PhysicianPrimary2084N0400XLicense MD14997 (OR)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 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.

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.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions