Organization
Gonzalo a Diaz
Provider's NPPES record last updated: March 19, 2026
Overview
- Entity Type
- Organization
- NPI
- 1326261249
- Primary Specialty
- Internal Medicine — Sleep Medicine
- Practice Location
- El Paso, Texas
- Organization Subpart
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 19, 2026, 1:45 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Internal Medicine
Sleep Medicine
Allopathic & Osteopathic Physicians
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Taxonomy code 207RS0012X Internal Medicine
Pulmonary Disease
Allopathic & Osteopathic Physicians
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Taxonomy code 207RP1001X
Provider-Reported License Information
- Internal Medicine (Texas)
- G4109
- Internal Medicine (Texas)
- G4109
Practice Locations
Practice Location
4305 N Mesa St Ste B
El Paso, Texas 79902-1124
Phone: (915) 779-7378
Additional Practice Location
1155 Commerce Dr Ste G
Las Cruces, New Mexico 88011-8257
Phone: (575) 647-5337
Fax: (575) 647-5338
Additional Practice Location
1651 Galisteo St Ste 11
Santa Fe, New Mexico 87505-2113
Phone: (505) 395-5315
Fax: (505) 214-5396
Additional Practice Location
1204 Main St Ne
Los Lunas, New Mexico 87031-7423
Phone: (505) 388-2015
Fax: (505) 214-5145
Additional Practice Location
1009 Golf Course Rd Se Ste 109
Rio Rancho, New Mexico 87124-4705
Phone: (505) 891-3344
Fax: (505) 896-4499
Additional Practice Location
3030 Joe Battle Blvd
El Paso, Texas 79938-2667
Phone: (915) 242-1634
Fax: (915) 242-1651
Additional Practice Location
4305 N Mesa St Ste A
El Paso, Texas 79902-1124
Phone: (915) 532-2477
Fax: (915) 532-2470
Other Names
- El Paso Sleep Disorders CenterReported June 27, 2012
Record Information
- Enumeration Date
- April 10, 2007
- Provider's NPPES Record Last Updated
- March 19, 2026
- Certification Date
- March 19, 2026
- NPISignal NPPES Dataset
- August 2026
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