Dr. Roberto Zamudio, MD
What this data tells you about Dr. Zamudio
Dr. Roberto Zamudio is a radiation oncology in Galveston, TX, with 18 years in practice. Based on federal Medicare data, Dr. Zamudio performed 2,824 Medicare services across 2,764 unique beneficiaries.
Between the years covered by Open Payments, Dr. Zamudio received a total of $82 from 4 pharmaceutical and/or device companies across 4 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in radiation oncology. 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. Zamudio 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 |
|---|---|---|---|
| Chest X-ray, 1 view | 725 | $7 | $70 |
| CT scan of head/brain, without contrast | 396 | $30 | $320 |
| CT scan of abdomen and pelvis with contrast | 163 | $68 | $912 |
| Ct scan of blood vessels of chest with contrast | 154 | $66 | $721 |
| Chest X-ray, 2 views | 119 | $8 | $82 |
| Ct scan of upper spine without contrast | 112 | $35 | $433 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 105 | $26 | $268 |
| Mri scan of brain without contrast | 90 | $56 | $560 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 84 | $17 | $176 |
| Ct scan of abdomen and pelvis without contrast | 59 | $65 | $851 |
| X-ray of abdomen, 1 view | 58 | $7 | $79 |
| Ct scan of blood vessels of head with contrast | 57 | $66 | $656 |
| CT scan of chest, without contrast | 56 | $41 | $433 |
| Ct scan of blood vessels of neck with contrast | 54 | $63 | $656 |
| Ultrasound of both sides of head and neck blood flow | 50 | $29 | $235 |
| Ct scan of chest with contrast | 49 | $40 | $469 |
| Ct scan of lower spine without contrast | 39 | $35 | $433 |
| Complete ultrasound scan behind abdominal cavity | 36 | $28 | $272 |
| X-ray of pelvis, 1-2 views | 31 | $7 | $68 |
| Shoulder X-ray, 2+ views | 30 | $7 | $69 |
| X-ray of thigh bone, minimum 2 views | 30 | $7 | $52 |
| Limited ultrasound scan of abdomen | 30 | $22 | $221 |
| Mri scan of blood vessels of head without contrast | 27 | $45 | $450 |
| Ct scan of pelvis without contrast | 26 | $41 | $410 |
| Mri scan of brain before and after contrast | 24 | $76 | $891 |
| Ct scan of middle spine without contrast | 21 | $36 | $433 |
| Ct scan of blood vessels of abdomen and pelvis with contrast | 21 | $75 | $707 |
| Nuclear medicine study of lung ventilation and circulation | 21 | $39 | $336 |
| Single contrast x-ray of esophagus | 20 | $23 | $174 |
| Mri scan of lower spinal canal without contrast | 19 | $55 | $560 |
| Knee X-ray, 3 views | 19 | $6 | $69 |
| Ct scan of leg without contrast | 17 | $37 | $410 |
| Ct scan of face without contrast | 15 | $31 | $428 |
| X-ray of upper arm, minimum of 2 views | 15 | $6 | $68 |
| X-ray of lower leg, 2 views | 14 | $6 | $68 |
| Ct scan of heart structure with contrast | 14 | $66 | $582 |
| Complete ultrasound scan of abdomen | 13 | $29 | $310 |
| Mri scan of blood vessels of neck without contrast | 11 | $43 | $448 |
Industry Payment Transparency
Open Payments through 2023 ↗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 (2023)
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 2023 |
| 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. Zamudio is a mixed practice specialist, with moderate Medicare volume, and low-engagement industry engagement, with 18 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. Zamudio experienced with chest x-ray, 1 view?
Does Dr. Zamudio receive payments from pharmaceutical companies?
How do Dr. Zamudio's costs compare to other radiation oncologys in Galveston?
What does Data Coverage mean?
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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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