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Gonzalo A Diaz, MD

Pulmonary Disease Physician in El Paso, TX · enumerated 2005.

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

National Provider Identifier

1134129240

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Registry record

Entity type Individual (Type 1)
Name Gonzalo A Diaz
Credential MD
Sex Male
Practice address 4305 N Mesa St Ste B, El Paso, TX, 79902
Phone (915) 779-7378
Fax (915) 779-2822
Enumeration date Jul 29, 2005
Last updated in NPPES Jan 30, 2025

Taxonomy & licenses

207RS0012X Sleep Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License G4109 (TX) Secondary
207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License G4109 (TX) 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
000U9973 Medicaid NM -
138134508 Medicaid TX -

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 Gonzalo Diaz?
The National Provider Identifier (NPI) for Gonzalo Diaz is 1134129240, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gonzalo Diaz practice?
The practice location on file with NPPES is in El Paso, TX. 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 2025-01-30.