Alexandra Johnson, MD
NPI 1811526601 · Neurology with Special Qualifications in Child Neurology Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Johnson, MD is a Neurology with Special Qualifications in Child Neurology Physician provider in Palo Alto, CA (NPI 1811526601).
Provider details
- NPI number
- 1811526601
- Entity type
- Individual
- Primary specialty
- Neurology with Special Qualifications in Child Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A181182 (CA)
Specialties & taxonomies
- Neurology with Special Qualifications in Child Neurology PhysicianPrimary2084N0402XLicense A181182 (CA)
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
Mailing address
Registry dates
- Enumerated
- 2020-04-03
- Last updated
- 2025-09-09
- Certified
- 2025-09-09
Frequently asked questions
- What is Alexandra Johnson's NPI number?
- Alexandra Johnson's National Provider Identifier (NPI) is 1811526601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Johnson's specialty?
- Alexandra Johnson is listed in the NPPES registry with a primary specialty of Neurology with Special Qualifications in Child Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexandra Johnson located?
- Alexandra Johnson's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Alexandra Johnson's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Johnson is (650) 497-8000.
- Does Alexandra Johnson accept Medicare?
- Alexandra Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Johnson's NPI active?
- Yes — Alexandra Johnson's NPI (1811526601) is active in the NPPES registry as of the last update on 2025-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.