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Radiation Oncology in Amarillo, Texas

Data updated monthly · Last refresh September 2026

6 Radiation Oncology providers practice in Amarillo. Listings are drawn from federal public records and are not endorsements.

Radiation Oncology providers in Amarillo

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Daniel Arsenault, MD
Amarillo, TX · $390 in drug and device payments (2025) · (806) 212-4673
Dr. Irfan Ahmed, MD
Amarillo, TX · $221 in drug and device payments (2025) · Telehealth · (806) 354-0950
Dr. Jaime Zusman, M.D.
Amarillo, TX · $15 in drug and device payments (2025) · (806) 212-4673
Dr. James Stafford, M.D.
Amarillo, TX · $297 in drug and device payments (2025) · (806) 355-9447
Dr. John Gwozdz, MD
Amarillo, TX · No drug or device payments recorded (2025) · (806) 358-8654
Dr. Madhava Kanakamedala, M.D.,
Amarillo, TX · $20 in drug and device payments (2025) · (806) 358-8654

Common questions

How many Radiation Oncology providers are in Amarillo, Texas?

There are 6 Radiation Oncology providers with active NPI records practicing in Amarillo, according to federal NPPES data refreshed monthly.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Amarillo Radiation Oncology across Texas

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.