Dr. Tulio Diaz, M.D.
What this data tells you about Dr. Diaz
Dr. Tulio Diaz is a cardiovascular disease in Dallas, TX, with 19 years in practice. Based on federal Medicare data, Dr. Diaz performed 2,279 Medicare services across 1,499 unique beneficiaries.
Between the years covered by Open Payments, Dr. Diaz received a total of $15,057 from 29 pharmaceutical and/or device companies across 102 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in cardiovascular disease. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. 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 (30-39 min) | 485 | $85 | $323 |
| Regadenoson injection (Lexiscan) for heart stress test | 416 | $44 | $66 |
| Hospital follow-up visit, moderate complexity | 269 | $62 | $238 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 124 | $337 | $1,249 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 124 | $48 | $298 |
| Technetium tc-99m sestamibi, diagnostic, per study dose | 123 | $80 | $1,172 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 120 | $10 | $131 |
| Echocardiogram, transthoracic | 94 | $133 | $734 |
| Cardiac catheterization | 81 | $165 | $763 |
| Coronary stent placement | 52 | $406 | $1,876 |
| Ultrasound of both sides of head and neck blood flow | 47 | $132 | $789 |
| New patient office visit (45-59 min) | 46 | $107 | $500 |
| Initial hospital admission, moderate complexity | 46 | $98 | $452 |
| Electrocardiogram (EKG), 12-lead | 40 | $9 | $65 |
| Hospital follow-up visit, high complexity | 39 | $94 | $342 |
| Initial hospital admission, high complexity | 31 | $136 | $670 |
| Ultrasound of leg arteries or artery grafts | 30 | $180 | $997 |
| Ultrasound evaluation of heart blood vessel during diagnosis or treatment, initial vessel | 22 | $55 | $245 |
| Review by radiologist of abdominal aorta image | 21 | $49 | $142 |
| Review by radiologist of both arms or legs arteries image | 19 | $72 | $163 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 18 | $10 | $48 |
| Limited ultrasound scan behind abdominal cavity | 17 | $38 | $211 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 15 | $124 | $813 |
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 ›
The majority of payments (59%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in cardiovascular disease and does not inherently indicate bias, but patients may wish to be aware.
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 cardiac imaging specialist, with moderate Medicare volume, and speaking/promotional industry engagement, with 19 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
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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.
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