Dr. Gonzalo Diaz, MD
What this data tells you about Dr. Diaz
Dr. Gonzalo Diaz is a sleep medicine (internal medicine) physician in El Paso, TX, with 20 years in practice. Based on federal Medicare data, Dr. Diaz performed 3,651 Medicare services across 2,882 unique beneficiaries.
Between the years covered by Open Payments, Dr. Diaz received a total of $13,041 from 25 pharmaceutical and/or device companies across 163 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in sleep medicine (internal medicine) physician. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Diaz is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (20-29 min) | 1,542 | $60 | $115 |
| Office visit, established patient (30-39 min) | 500 | $86 | $169 |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | 425 | $468 | $1,764 |
| Telephone medical discussion with physician, 11-20 minutes | 409 | $45 | $150 |
| New patient office visit (30-44 min) | 299 | $72 | $225 |
| Sleep study in sleep lab (6 years or older) | 246 | $447 | $1,763 |
| Telephone medical discussion with physician, 21-30 minutes | 62 | $68 | $355 |
| Electronic analysis of implanted neurostimulator generator with complex cranial nerve stimulator programming | 34 | $39 | $100 |
| New patient office visit (45-59 min) | 31 | $127 | $262 |
| Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation | 31 | $65 | $600 |
| Electronic analysis of neurostimulator generator with simple cranial nerve stimulator programming | 28 | $30 | $55 |
| Test to determine lung volumes using sensors | 15 | $41 | $128 |
| Test to examine how well the lungs exchange gases | 15 | $43 | $134 |
| Test to measure expiratory airflow and volume changes before and after medication administration | 14 | $29 | $91 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
Most payments (99%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Diaz is a clinical cardiology specialist, with above-average Medicare volume (top 20% in TX), and high industry engagement (low-engagement, top 12%), with 20 years of practice experience.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Diaz experienced with office visit, established patient (20-29 min)?
Does Dr. Diaz receive payments from pharmaceutical companies?
How do Dr. Diaz's costs compare to other sleep medicine (internal medicine) physicians in El Paso?
What does Data Coverage mean?
Is this data up to date?
Explore related providers
All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology