Radiation Oncologists in Wisconsin
Data updated monthly · Last refresh October 2026
153 Radiation Oncology providers practice in Wisconsin, including 50 (33%) offering telehealth. The largest concentration is in Milwaukee. 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.
153providers
50telehealth
Milwaukeetop city
Radiation Oncology by city in Wisconsin
Choose a city to see providers there.
Radiation Oncology providers in Wisconsin
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.
Dr. Benjamin Durkee, M.D.Madison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 263-8500 Dr. Bethany Anderson, M.D.Madison, WI · $184 in drug and device payments (2025) · Telehealth ·
(608) 263-8500 Dr. Bradley Eckelmann, MD, PHDMadison, WI · $263 in drug and device payments (2025) ·
(608) 263-6400 Dr. Brett Morris, MD, PHDMadison, WI · $1,166 in drug and device payments (2025) · Telehealth ·
(608) 263-8500 Dr. Christian Hyde, M.D.Madison, WI · $207 in drug and device payments (2025) ·
(608) 263-8500 Dr. Colin HarariMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 915-1200 Dr. David Francis, M.D.Madison, WI · No drug or device payments recorded (2025) ·
(608) 263-6400 Dr. Grace Blitzer, MDMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 263-8500 Dr. Gregory Cooley, MDMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 263-8500 Dr. Hari Menon, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 263-8500 Dr. John Floberg, M.D., PH.D.Madison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 263-8500 Dr. John Hayes, M.D.Madison, WI · No drug or device payments recorded (2025) ·
(608) 251-6868 Dr. June Kim, MDMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 251-6868 Dr. Kristin Bradley, MDMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 263-8500 Dr. Matthew Witek, MDMadison, WI · $133 in drug and device payments (2025) · Telehealth ·
(215) 806-4460 Dr. Michael BassettiMadison, WI · $45 in drug and device payments (2025) · Telehealth ·
(608) 263-8500 Dr. Michael Zinda, M.D.Madison, WI · No drug or device payments recorded (2025) ·
(608) 251-6868 Dr. Michelle Mackay, M.D.Madison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 251-6868 Dr. Ming Teng, M.D.Madison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 251-6868 Dr. Newton Hurst, M.D., PH.D.Madison, WI · No drug or device payments recorded (2025) ·
(608) 263-8500 Dr. Patricia Barrett, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 263-8500 Dr. Paul Harari, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 263-8500 Dr. Peter Mahler, MD PHDMadison, WI · No drug or device payments recorded (2025) ·
(608) 233-6732 Dr. Pippa Cosper, MDMadison, WI · $151 in drug and device payments (2025) ·
(608) 263-8500 Dr. Richard Auchter, MDMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 251-6868 Dr. Ryan Hutten, MDMadison, WI · $1,332 in drug and device payments (2025) · Telehealth ·
(608) 263-8500 Dr. Sangjune Lee, MDMadison, WI · No drug or device payments recorded (2025) ·
(417) 579-3573 Dr. Scot Callahan, MD, PHD Dr. Stephen RosenbergMadison, WI · $14 in drug and device payments (2025) · Telehealth ·
(608) 263-5009 Dr. Steven Howard, MD PHDMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 467-7243 Dr. Sue Yi, MD, PHDMadison, WI · $239 in drug and device payments (2025) ·
(559) 450-3000 Dr. Timothy Kruser, M.D.Madison, WI · $23,265 in drug and device payments (2025) · Telehealth ·
(608) 251-6868 Dr. Tod Speer, MDMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 263-8500 Dr. Zachary Morris, M.D./PH.D.Madison, WI · No drug or device payments recorded (2025) ·
(608) 263-8500 Dr. Katie Livingston, MDMarinette, WI · No drug or device payments recorded (2025) ·
(715) 735-8015 Dr. Anderson Bauer, M.D.Marshfield, WI · $33 in drug and device payments (2025) ·
(414) 517-5877 Dr. Jason Duelge, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(715) 387-5511 Dr. Leon Mcnealy, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(715) 387-5511 Dr. Warren Olds, MDMarshfield, WI · No drug or device payments recorded (2025) ·
(715) 369-6600 Dr. Eva Christensen, M.D., PH.D.Mequon, WI · No drug or device payments recorded (2025) ·
(262) 834-0044 Dr. Adam Currey, M.D.Milwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-4450 Dr. Aronne Schottstaedt, MDMilwaukee, WI · $247 in drug and device payments (2025) ·
(707) 776-7135 Dr. Beth Erickson Wittmann, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-4400 Dr. Candice Johnstone, MD, MPHMilwaukee, WI · No drug or device payments recorded (2025) · Telehealth ·
(414) 805-4400 Dr. Christina Small-tom, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-4400 Dr. Christopher Schultz, MDMilwaukee, WI · $15 in drug and device payments (2025) ·
(414) 805-4400 Dr. Ciani Ellison, MDMilwaukee, WI · No drug or device payments recorded (2025) · Telehealth ·
(414) 805-4400 Dr. Colleen Lawton, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-4400 Dr. Craig Schulz, M.D.Milwaukee, WI · $217 in drug and device payments (2025) ·
(414) 291-1556 Dr. Daniel Lindsay, M.D.Milwaukee, WI · No drug or device payments recorded (2025) · Telehealth ·
(414) 649-3323 Common questions
How many Radiation Oncology providers are in Wisconsin?There are 153 Radiation Oncology providers with active NPI records practicing in Wisconsin, according to federal NPPES data refreshed monthly.
Do Radiation Oncology providers in Wisconsin offer telehealth?Yes. 50 of the 153 Radiation Oncology providers in Wisconsin (about 33%) report offering telehealth services in CMS data.
Which cities in Wisconsin have the most Radiation Oncology providers?Milwaukee (40), Madison (38), Green Bay (8) have the highest concentration of Radiation Oncology providers in Wisconsin.
How many Radiation Oncology providers in Wisconsin received drug or device company payments?42 of 153 Radiation Oncology providers in Wisconsin (27%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?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.
Do most Radiation Oncologists in Wisconsin work in independent practices or large health systems?Among 101 Radiation Oncologists in Wisconsin enrolled in Medicare, 8% bill through a solo or small practice with fewer than 10 clinicians, 20% through a mid-size group of 10 to 99, and 72% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Radiation Oncologists in Wisconsin work at?According to CMS facility affiliation records, the Wisconsin hospitals where the most Radiation Oncologists hold privileges are Froedtert Memorial Lutheran Hospital in Milwaukee; University of Wi Hospitals & Clinics Authority in Madison; Aurora St Lukes Medical Center in Milwaukee.
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