Dr. William McNamara, M.D.
What this data tells you about Dr. McNamara
Dr. William McNamara is a student in an organized health care education/training program in Dallas, TX, with 17 years in practice. Based on federal Medicare data, Dr. McNamara performed 2,107 Medicare services across 645 unique beneficiaries.
Between the years covered by Open Payments, Dr. McNamara received a total of $15,245 from 17 pharmaceutical and/or device companies across 49 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in student in an organized health care education/training program. 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. McNamara 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 |
|---|---|---|---|
| Contrast dye for imaging (iodine-based) | 1,225 | $0 | $3 |
| Diagnostic exam of voice box using a flexible endoscope | 196 | $94 | $376 |
| Office visit, established patient (30-39 min) | 193 | $91 | $368 |
| Office visit, established patient (20-29 min) | 138 | $63 | $250 |
| New patient office visit (45-59 min) | 85 | $121 | $565 |
| Blood draw (venipuncture) | 53 | $8 | $20 |
| Blood creatinine level | 38 | $5 | $31 |
| Diagnostic exam of nasal passages using an endoscope | 27 | $145 | $538 |
| Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries | 26 | $90 | $657 |
| Nuclear medicine study from skull base to mid-thigh with ct scan | 22 | $1,129 | $4,802 |
| Ultrasonic guidance for blood vessel access | 20 | $11 | $57 |
| Insertion of central venous tube with port (5 years or older) | 19 | $247 | $4,202 |
| Fluoroscopic guidance for insertion or removal of central vein access device | 19 | $13 | $69 |
| Removal of lymph nodes, muscle, and tissue of neck | 18 | $1,040 | $5,294 |
| Office visit, established patient (10-19 min) | 16 | $40 | $150 |
| Ct scan of soft tissue of neck with contrast | 12 | $95 | $658 |
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 (50%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in student in an organized health care education/training program and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 3% for student in an organized health care education/training program in TX.
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. McNamara is a clinical cardiology specialist, with above-average Medicare volume (top 9% in TX), and high industry engagement (speaking/promotional, top 3%), with 17 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. McNamara experienced with contrast dye for imaging (iodine-based)?
Does Dr. McNamara receive payments from pharmaceutical companies?
How do Dr. McNamara's costs compare to other student in an organized health care education/training programs in Dallas?
What does Data Coverage mean?
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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.
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