Dr. John Nguyen, M.D.
What this data tells you about Dr. Nguyen
Dr. John Nguyen is a cardiovascular disease in Cypress, TX, with 19 years in practice. Based on federal Medicare data, Dr. Nguyen performed 3,501 Medicare services across 2,064 unique beneficiaries.
Between the years covered by Open Payments, Dr. Nguyen received a total of $9,192 from 46 pharmaceutical and/or device companies across 372 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in cardiovascular disease. 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. Nguyen 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) | 839 | $91 | $200 |
| Regadenoson injection (Lexiscan) for heart stress test | 656 | $43 | $300 |
| Electrocardiogram (EKG), 12-lead | 434 | $11 | $95 |
| Infusion, normal saline solution, 250 cc | 234 | $1 | $10 |
| Hospital follow-up visit, moderate complexity | 198 | $64 | $300 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 164 | $57 | $300 |
| Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries | 163 | $683 | $1,325 |
| Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan | 160 | $1,947 | $4,500 |
| Echocardiogram, transthoracic | 127 | $149 | $800 |
| Prothrombin time test (blood clotting) | 122 | $4 | $15 |
| Nuclear medicine study of heart muscle blood flow by pet | 110 | $147 | $500 |
| EKG interpretation and report | 82 | $7 | $35 |
| Initial hospital admission, high complexity | 63 | $141 | $552 |
| New patient office visit, complex (60-74 min) | 56 | $166 | $325 |
| Evaluation of single, dual, multiple lead or leadless pacemaker system | 29 | $44 | $65 |
| Heart rhythm recording, analysis, report, review, and interpretation of continous external ekg over more than 48 hours up to 7 days | 25 | $204 | $800 |
| Ultrasound of both sides of head and neck blood flow | 22 | $156 | $600 |
| Office visit, established patient (20-29 min) | 17 | $74 | $155 |
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 (100%) 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. Nguyen is a cardiac imaging specialist, with above-average Medicare volume (top 28% in TX), and low-engagement 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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