Dr. John Diaz, MD
What this data tells you about Dr. Diaz
Dr. John Diaz is a family medicine in Naples, FL, with 19 years in practice. Based on federal Medicare data, Dr. Diaz performed 1,932 Medicare services across 1,118 unique beneficiaries.
Between the years covered by Open Payments, Dr. Diaz received a total of $61,540 from 63 pharmaceutical and/or device companies across 717 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in family medicine. 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) | 380 | $92 | $264 |
| Blood draw (venipuncture) | 290 | $8 | $17 |
| Lipid panel (cholesterol and triglycerides) | 284 | $13 | $27 |
| Comprehensive metabolic blood panel | 239 | $10 | $21 |
| Thyroid stimulating hormone (TSH) test | 134 | $16 | $34 |
| Uric acid level test | 134 | $4 | $9 |
| Complete blood count (CBC) with differential | 86 | $8 | $16 |
| Annual wellness visit, follow-up | 67 | $131 | $267 |
| Urine microalbumin test (kidney screening) | 37 | $6 | $12 |
| Creatinine test (kidney function) | 37 | $5 | $10 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 36 | $283 | $577 |
| Pneumonia vaccine administration | 36 | $32 | $64 |
| Hemoglobin A1c test (diabetes monitoring) | 34 | $10 | $19 |
| Annual depression screening | 29 | $19 | $38 |
| Office visit, established patient (20-29 min) | 24 | $73 | $187 |
| Office visit, established patient, complex (40-54 min) | 24 | $117 | $370 |
| Automated urinalysis | 20 | $2 | $4 |
| New patient office visit, complex (60-74 min) | 15 | $165 | $459 |
| Flu vaccine, high-dose | 13 | $72 | $147 |
| Flu vaccine administration | 13 | $32 | $64 |
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 (41%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in family medicine and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 0% for family medicine in FL.
Geographic Context
3.3 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 19% in FL), and high industry engagement (speaking/promotional, top 0%), 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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