Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Al'Ai Alvarez, MD

Emergency Medicine Physician in Stanford, CA · enumerated 2009.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1366677486

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Registry record

Entity type Individual (Type 1)

Name Al'Ai Alvarez

Credential MD

Sex Male

Practice address Stanford, CA, 94305

Phone (650) 723-4000

Enumeration date May 19, 2009

Last updated in NPPES Mar 14, 2024

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 251414 (NY) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License A114602 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
251414	Other	NY	NYS LICENSE
A114602	Other	CA	MEDICAL BOARD OF CALIFORNIA

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Al'Ai Alvarez?

The National Provider Identifier (NPI) for Al'Ai Alvarez is 1366677486, a Type 1 (individual) record in the CMS NPPES registry.

Where does Al'Ai Alvarez practice?

The practice location on file with NPPES is in Stanford, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-03-14.