Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Alireza Fathi, MD

Pediatric Critical Care Medicine Physician in Fountain Valley, CA · enumerated 2006.

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

National Provider Identifier

1992807523

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Registry record

Entity type Individual (Type 1)

Name Mr. Alireza Fathi

Credential MD

Sex Male

Practice address 17100 Euclid St, Department Picu Peds, Fountain Valley, CA, 92708

Phone (714) 966-7253

Fax (714) 966-3354

Enumeration date Sep 3, 2006

Last updated in NPPES Mar 6, 2008

Taxonomy & licenses

2080P0203X Pediatric Critical Care Medicine Physician Allopathic & Osteopathic Physicians · License A79581 (CA) Primary

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

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1992807523 active?

Yes, as of the latest NPPES snapshot, NPI 1992807523 is active (record last updated 2008-03-06).

How do I verify Alireza Fathi's NPI record?

Cross-check NPI 1992807523 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-06.