HealthcareDiscovery.AI / Doctors / Texas / Galveston / Radiation Oncology

Radiation Oncology in Galveston, Texas

Data updated monthly · Last refresh September 2026

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

Radiation Oncology providers in Galveston

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. Kendall Kiser
Galveston, TX · No drug or device payments recorded (2025) · (409) 747-4087
Dr. Lee Wiederhold, MD, PHD
Galveston, TX · No drug or device payments recorded (2025) · (409) 772-2531
Dr. Melissa Joyner, MD
Galveston, TX · No drug or device payments recorded (2025) · Telehealth · (409) 772-2222
Dr. Shailesh Gupta, MD
Galveston, TX · No drug or device payments recorded (2025) · (409) 740-1558
Dr. Simon Kirste
Galveston, TX · No drug or device payments recorded (2025) · (409) 789-3974
Dr. Todd Swanson, M.D., PH.D.
Galveston, TX · $120 in drug and device payments (2025) · Telehealth · (409) 772-5153

Common questions

How many Radiation Oncology providers are in Galveston, Texas?

There are 6 Radiation Oncology providers with active NPI records practicing in Galveston, 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 Galveston 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.