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Radiation Oncology in Wisconsin

Data updated monthly · Last refresh August 2026

152 Radiation Oncology providers practice in Wisconsin, including 51 (34%) offering telehealth. The largest concentration is in Madison. Profiles include Medicare quality scores where available.

152providers
51telehealth
Madisontop city

Radiation Oncology providers by city in Wisconsin

Madison40 providers
Milwaukee38 providers
Green Bay7 providers
La Crosse6 providers
Appleton5 providers
Eau Claire5 providers
Marshfield4 providers
Wausau4 providers

Highest rated Radiation Oncology providers in Wisconsin

Dr. Vera Nigrin, MD
Baraboo, WI · Quality score 100/100 · Telehealth · (608) 356-1400
Dr. Michelle Mackay, M.D.
Madison, WI · Quality score 100/100 · Telehealth · (608) 251-6868
Dr. Timothy Kruser, M.D.
Madison, WI · Quality score 100/100 · Telehealth · (608) 251-6868
Dr. Matthew Witek, MD
Madison, WI · Quality score 99/100 · Telehealth · (215) 806-4460
Dr. Jared Robbins, M.D.
Milwaukee, WI · Quality score 98/100 · Telehealth · (414) 805-4400
Dr. Cooper Rapp, M.D.
La Crosse, WI · Quality score 96/100 · (608) 782-7300
Dr. Eva Christensen, M.D., PH.D.
Mequon, WI · Quality score 95/100 · (262) 834-0044
Dr. Santosh Yajnik, M.D.
Milwaukee, WI · Quality score 94/100 · Telehealth · (414) 805-4400
Dr. John Hayes, M.D.
Madison, WI · Quality score 94/100 · (608) 251-6868
Dr. Andrew Huang, M.D.
Wausau, WI · Quality score 91/100 · (715) 847-2866
Dr. Anna Brown, M.D.
Wausau, WI · Quality score 91/100 · (920) 930-2455
Dr. Oh Hoon Kwon, MD
Franklin, WI · Quality score 90/100 · (414) 427-6230
Dr. Stephen Rosenberg
Madison, WI · Quality score 89/100 · Telehealth · (608) 263-5009
Dr. Robert Kohl, DO
Stevens Point, WI · Quality score 89/100 · (715) 343-7722
Dr. Rick Davis, MD
Oshkosh, WI · Quality score 89/100 · (920) 236-1605
Dr. Bevan Ly, MD
Weston, WI · Quality score 83/100 · Telehealth · (715) 393-1000
Dr. Carol Grabowski, MD
Appleton, WI · Quality score 83/100 · (920) 749-1171
Dr. Anderson Bauer, M.D.
Marshfield, WI · Quality score 82/100 · (414) 517-5877
Dr. Leon Mcnealy, MD
Marshfield, WI · Quality score 82/100 · (715) 387-5511
Dr. Tracy Kelly, MD
Milwaukee, WI · Quality score 81/100 · (414) 805-4400

Common questions

How many Radiation Oncology providers are in Wisconsin?

There are 152 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. 51 of the 152 Radiation Oncology providers in Wisconsin (about 34%) report offering telehealth services in CMS data.

Which cities in Wisconsin have the most Radiation Oncology providers?

Madison (40), Milwaukee (38), Green Bay (7) have the highest concentration of Radiation Oncology providers in Wisconsin.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files, including MIPS quality scores where available. The directory refreshes monthly.

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Sources: NPPES (CMS), Doctors and Clinicians national files, MIPS. Updated monthly. This directory is informational and not medical advice. Are you a Radiation Oncology in Wisconsin? Get featured.