22 Radiation Oncology providers practice in South Dakota, including 7 (32%) offering telehealth. The largest concentration is in Sioux Falls. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
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| Radiation Oncology in Sioux Falls | 12 providers |
| Radiation Oncology in Rapid City | 4 providers |
| Radiation Oncology in Watertown | 2 providers |
| Radiation Oncology in Aberdeen | 2 providers |
| Radiation Oncology in Mitchell | 1 providers |
| Radiation Oncology in Yankton | 1 providers |
From CMS Medicare enrollment records covering 15 of the 22 providers listed here (68%). Providers who do not bill Medicare are not included in these figures.
| Group (as registered with Medicare) | Radiation Oncologists | All clinicians in group | Main city |
| Avera Mckennan | 6 | 957 | Sioux Falls |
| Sanford Medical Center | 4 | 847 | Sioux Falls |
| Monument Health Rapid City Hospital Inc. | 3 | 560 | Rapid City |
| Dakota West Radiation Oncology PC | 3 | 3 | Rapid City |
| Sacred Heart Health Services | 2 | 151 | Yankton |
| Hospital | City | Ownership | CMS star rating | Radiation Oncologists affiliated |
| Avera Mckennan Hospital & University Health Center | Sioux Falls | Nonprofit | 4 of 5 | 7 |
| Sanford Usd Medical Center | Sioux Falls | Nonprofit | 5 of 5 | 5 |
| Avera St Lukes | Aberdeen | Nonprofit | 4 of 5 | 4 |
| Avera St Mary's Hospital | Pierre | Nonprofit | 2 of 5 | 4 |
| Avera Sacred Heart Hospital | Yankton | Nonprofit | 3 of 5 | 3 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Listed by city, largest first. 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.
There are 22 Radiation Oncology providers with active NPI records practicing in South Dakota, according to federal NPPES data refreshed monthly.
Yes. 7 of the 22 Radiation Oncology providers in South Dakota (about 32%) report offering telehealth services in CMS data.
Sioux Falls (12), Rapid City (4), Watertown (2) have the highest concentration of Radiation Oncology providers in South Dakota.
Provider counts and profiles 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.
Among 15 Radiation Oncologists in South Dakota enrolled in Medicare, 0% bill through a solo or small practice with fewer than 10 clinicians, 0% through a mid-size group of 10 to 99, and 100% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
According to CMS facility affiliation records, the South Dakota hospitals where the most Radiation Oncologists hold privileges are Avera Mckennan Hospital & University Health Center in Sioux Falls; Sanford Usd Medical Center in Sioux Falls; Avera St Lukes in Aberdeen.
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