What is John Alexander's NPI number?

John Alexander's National Provider Identifier (NPI) is 1992726350, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Alexander's specialty?

John Alexander is listed in the NPPES registry with a primary specialty of Neurology with Special Qualifications in Child Neurology Physician (Allopathic & Osteopathic Physicians).

Where is John Alexander located?

John Alexander's practice location on file with NPPES is 4800 Sand Point Way Ne, Seattle, WA 98105-3901.

What is John Alexander's phone number?

The practice phone number listed in the NPPES registry for John Alexander is (206) 987-2078.

Does John Alexander accept Medicare?

John Alexander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is John Alexander's NPI active?

Yes — John Alexander's NPI (1992726350) is active in the NPPES registry as of the last update on 2012-02-10.

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John Alexander, MD

NPI 1992726350 · Neurology with Special Qualifications in Child Neurology Physician · Seattle, WA

John Alexander, MD is a Neurology with Special Qualifications in Child Neurology Physician provider in Seattle, WA (NPI 1992726350).

Provider details

NPI number: 1992726350
Entity type: Individual
Primary specialty: Neurology with Special Qualifications in Child Neurology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: Yes
License: 25MA08211900 (NJ)

Practice location

4800 Sand Point Way Ne

Seattle, WA 98105-3901

Phone: (206) 987-2078

Fax: (206) 987-2649

Street-level locationGet directions

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Mailing address

4800 Sand Point Way Ne

Seattle, WA 98105-3901

Specialties & taxonomies

Neurology with Special Qualifications in Child Neurology PhysicianPrimary2084N0402XLicense 25MA08211900 (NJ)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

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: 2006-07-21
Last updated: 2012-02-10

Frequently asked questions

What is John Alexander's NPI number?: John Alexander's National Provider Identifier (NPI) is 1992726350, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is John Alexander's specialty?: John Alexander is listed in the NPPES registry with a primary specialty of Neurology with Special Qualifications in Child Neurology Physician (Allopathic & Osteopathic Physicians).
Where is John Alexander located?: John Alexander's practice location on file with NPPES is 4800 Sand Point Way Ne, Seattle, WA 98105-3901.
What is John Alexander's phone number?: The practice phone number listed in the NPPES registry for John Alexander is (206) 987-2078.
Does John Alexander accept Medicare?: John Alexander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is John Alexander's NPI active?: Yes — John Alexander's NPI (1992726350) is active in the NPPES registry as of the last update on 2012-02-10.

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