Radiation Oncology in Sioux Falls, South Dakota
Data updated monthly · Last refresh September 2026
12 Radiation Oncology providers practice in Sioux Falls. Listings are drawn from federal public records and are not endorsements.
Radiation Oncology providers in Sioux Falls
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. Barbara Schlager, MDSioux Falls, SD · No drug or device payments recorded (2025) ·
(605) 322-1625 Dr. Charles Murphy, MDSioux Falls, SD · No drug or device payments recorded (2025) ·
(605) 322-1625 Dr. Collin Noldner, MDSioux Falls, SD · No drug or device payments recorded (2025) · Telehealth ·
(605) 322-1625 Dr. James Simon, MDSioux Falls, SD · No drug or device payments recorded (2025) ·
(605) 322-1625 Dr. Joel Grow, MDSioux Falls, SD · $43 in drug and device payments (2025) ·
(605) 322-1625 Dr. Kathleen Schneekloth, MDSioux Falls, SD · $160 in drug and device payments (2025) · Telehealth ·
(605) 322-1625 Dr. Kirsten Erickson, MDSioux Falls, SD · No drug or device payments recorded (2025) ·
(605) 336-0515 Dr. Kyle Arneson, M.D.Sioux Falls, SD · $387 in drug and device payments (2025) · Telehealth ·
(605) 322-1625 Dr. Michele Lohr, M.D.Sioux Falls, SD · $25 in drug and device payments (2025) ·
(605) 328-6001 Dr. Na SmithSioux Falls, SD · No drug or device payments recorded (2025) ·
(605) 328-6001 Dr. Ryan Nowak, MDSioux Falls, SD · $191 in drug and device payments (2025) ·
(605) 328-6001 Dr. Steven Mcgraw, MDSioux Falls, SD · No drug or device payments recorded (2025) ·
(605) 328-6001 Common questions
How many Radiation Oncology providers are in Sioux Falls, South Dakota?There are 12 Radiation Oncology providers with active NPI records practicing in Sioux Falls, 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 Sioux Falls Radiation Oncology across South Dakota
