Radiation Oncology in Springfield, Illinois
Data updated monthly · Last refresh September 2026
13 Radiation Oncology providers practice in Springfield. Listings are drawn from federal public records and are not endorsements.
Radiation Oncology providers in Springfield
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. Benjamin Fischer-valuck, MDSpringfield, IL · $45 in drug and device payments (2025) · Telehealth ·
(303) 669-1985 Dr. Brian Baumann, MDSpringfield, IL · $9,036 in drug and device payments (2025) ·
(217) 528-7541 Dr. Bruce Shevlin, MDSpringfield, IL · No drug or device payments recorded (2025) ·
(217) 525-5666 Dr. Cathy Clausen, M.D.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 525-5666 Dr. Christopher Abraham, MDSpringfield, IL · $216 in drug and device payments (2025) ·
(217) 280-9161 Dr. Christopher Bradbury, M.D., PH.D.Springfield, IL · $98 in drug and device payments (2025) ·
(217) 528-7541 Dr. Daniel Ferraro, M.D., PHDSpringfield, IL · $168 in drug and device payments (2025) ·
(217) 528-7541 Dr. James Wynstra, M.D.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 788-3260 Dr. Michael Payne, MDSpringfield, IL · $4,020 in drug and device payments (2025) · Telehealth ·
(217) 528-7541 Dr. Parashar Nanavati, M.D.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 528-7541 Dr. Prachi Jain, M.D.Springfield, IL · $515 in drug and device payments (2025) ·
(217) 528-7541 Dr. Randall Brenneman, MDSpringfield, IL · $430 in drug and device payments (2025) ·
(217) 528-7541 Dr. Samuel Au, M.D.Springfield, IL · No drug or device payments recorded (2025) ·
(217) 525-5666 Common questions
How many Radiation Oncology providers are in Springfield, Illinois?There are 13 Radiation Oncology providers with active NPI records practicing in Springfield, 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 Springfield Radiation Oncology across Illinois
