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Radiation Oncology in Gilbert, Arizona

Data updated monthly · Last refresh September 2026

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

Radiation Oncology providers in Gilbert

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. Anna Likhacheva, MD
Gilbert, AZ · $3,021 in drug and device payments (2025) · Telehealth · (480) 256-3676
Dr. Dalia Larios Chavez
Gilbert, AZ · $124 in drug and device payments (2025) · (480) 256-6444
Dr. Emily Grade, MD
Gilbert, AZ · No drug or device payments recorded (2025) · (480) 256-3676
Dr. Gary Walker, M.D., M.P.H., M.S.
Gilbert, AZ · $326 in drug and device payments (2025) · (480) 256-4500
Dr. Jean Philippe Nesseler, MD
Gilbert, AZ · No drug or device payments recorded (2025) · (480) 256-6444
Dr. Matthew Callister, M.D.
Gilbert, AZ · $34 in drug and device payments (2025) · (480) 256-6444
Dr. Michael Christensen, MD
Gilbert, AZ · $29 in drug and device payments (2025) · Telehealth · (480) 791-1400
Dr. Michael Samuels, MD
Gilbert, AZ · $207 in drug and device payments (2025) · Telehealth · (480) 256-4488
Dr. Sarah Nicholas, MD
Gilbert, AZ · $83 in drug and device payments (2025) · Telehealth · (480) 256-6444
Dr. Terence Roberts, MD
Gilbert, AZ · No drug or device payments recorded (2025) · (480) 256-3676
Dr. Yerko Borghero, MD
Gilbert, AZ · $99 in drug and device payments (2025) · Telehealth · (480) 256-3676

Common questions

How many Radiation Oncology providers are in Gilbert, Arizona?

There are 11 Radiation Oncology providers with active NPI records practicing in Gilbert, 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 Gilbert Radiation Oncology across Arizona

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.