Gonzalo Diaz, MD
NPI 1134129240 · Pulmonary Disease Physician · El Paso, TX
Enrolled with Medicare as Practitioner - Sleep Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gonzalo Diaz, MD is a Pulmonary Disease Physician provider in El Paso, TX (NPI 1134129240).
Provider details
- NPI number
- 1134129240
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G4109 (TX)
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 tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,711 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,387 | $86 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 548 | $121 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 460 | $14 |
| Sleep Study in Sleep Lab With Continuous Airway Pressure (6 Years Or Older)95811 | 290 | $598 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 267 | $105 |
| Sleep Study in Sleep Lab (6 Years Or Older) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Eszopiclone | 150 | 109 |
| Clonazepam | 50 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 43 | 20 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 40 | — |
| Trazodone Hcl | 37 | 12 |
| Montelukast Sodium | 31 | 14 |
| Zolpidem Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,977 across 68 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (5)
- 1155 Commerce Dr Ste GLas Cruces, NM 88011-8257Phone: (575) 647-5337Fax: (575) 647-5338
- 1204 Main St Ne Ste aLos Lunas, NM 87031-7423Phone: (505) 388-2015Fax: (505) 214-5145
- 1009 Golf Course Rd Se Ste 109Rio Rancho, NM 87124-4705Phone: (505) 891-3344Fax: (505) 896-4499
- 1651 Galisteo StSanta Fe, NM 87505-4752Phone: (505) 395-5315Fax: (505) 214-5396
- 4305 N Mesa StSte aEl Paso, TX 79902-1123Phone: (915) 532-2477Fax: (915) 532-2470
Registry dates
- Enumerated
- 2005-07-29
- Last updated
- 2025-01-30
- Certified
- 2025-01-30
Frequently asked questions
- What is Gonzalo Diaz's NPI number?
- Gonzalo Diaz's National Provider Identifier (NPI) is 1134129240, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gonzalo Diaz's specialty?
- Gonzalo Diaz is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Gonzalo Diaz located?
- Gonzalo Diaz's practice location on file with NPPES is 4305 N Mesa St Ste B, El Paso, TX 79902-1124.
- What is Gonzalo Diaz's phone number?
- The practice phone number listed in the NPPES registry for Gonzalo Diaz is (915) 779-7378.
- Does Gonzalo Diaz accept Medicare?
- Gonzalo Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gonzalo Diaz's NPI active?
- Yes — Gonzalo Diaz's NPI (1134129240) is active in the NPPES registry as of the last update on 2025-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.