Alexander Kay, MD
NPI 1336220201 · Pediatrics Physician · Stanford, CA
Alexander Kay, MD is a Pediatrics Physician provider in Stanford, CA (NPI 1336220201).
Provider details
- NPI number
- 1336220201
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A114759 (CA)
Specialties & taxonomies
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
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
Mailing address
Registry dates
- Enumerated
- 2006-10-18
- Last updated
- 2012-09-04
Frequently asked questions
- What is Alexander Kay's NPI number?
- Alexander Kay's National Provider Identifier (NPI) is 1336220201, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Kay's specialty?
- Alexander Kay is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Kay located?
- Alexander Kay's practice location on file with NPPES is 300 Pasteur Drive, Stanford, CA 94305.
- What is Alexander Kay's phone number?
- The practice phone number listed in the NPPES registry for Alexander Kay is (650) 556-4142.
- Is Alexander Kay's NPI active?
- Yes — Alexander Kay's NPI (1336220201) is active in the NPPES registry as of the last update on 2012-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.