Radiation Oncology in Chicago, Illinois
Data updated monthly · Last refresh September 2026
87 Radiation Oncology providers practice in Chicago, and 46% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Radiation Oncology providers in Chicago
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. Aditya Juloori, MDChicago, IL · $38,669 in drug and device payments (2025) · Telehealth ·
(773) 702-1000 Dr. Adrianna Cueto-marquez, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-7100 Dr. Andrew HowardChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 824-0200 Dr. Anne Mccall, MDChicago, IL · No drug or device payments recorded (2025) ·
(888) 824-0200 Dr. Anupama Thakrar, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 864-3838 Dr. Aranee Sivananthan, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(773) 795-0528 Dr. Azhar AwanChicago, IL · No drug or device payments recorded (2025) ·
(888) 824-0200 Dr. Bharat Mittal, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2520 Dr. Brandon Perez, MDChicago, IL · $175 in drug and device payments (2025) ·
(773) 702-0817 Dr. Christian Olortegui, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 864-3838 Dr. Christina SonChicago, IL · $53 in drug and device payments (2025) · Telehealth ·
(888) 824-0200 Dr. Colleen Conger, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Connor Lynch, MDChicago, IL · $170 in drug and device payments (2025) · Telehealth ·
(773) 795-0528 Dr. Daniel HarafChicago, IL · No drug or device payments recorded (2025) ·
(888) 824-0200 Dr. Diana Chung, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 792-5133 Dr. Dian Wang, MDChicago, IL · $353 in drug and device payments (2025) · Telehealth ·
(312) 942-5751 Dr. Donthamsetti Seshagirirao, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-3838 Dr. Eric Donnelly, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 926-4247 Dr. Ethan Overfelt, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Farris Jaamour, MD, MPHChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-0817 Dr. Gary Schreiber, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 989-1613 Dr. Gaurav Marwaha, M.D.Chicago, IL · $86 in drug and device payments (2025) · Telehealth ·
(312) 942-5751 Dr. Guhan Arumugam Shanmugasundaram, M.B.B.S.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 355-0104 Dr. Howard HalpernChicago, IL · No drug or device payments recorded (2025) ·
(888) 824-0200 Dr. Jagdish Thakrar, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 864-3837 Dr. Jeffrey GrossChicago, IL · No drug or device payments recorded (2025) ·
(248) 761-6628 Dr. John Kalapurakal, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 926-2520 Dr. John KimballChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(773) 702-0817 Dr. Jonathan Strauss, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2520 Dr. Joshua Lorenz, MDChicago, IL · $146 in drug and device payments (2025) · Telehealth ·
(312) 996-3631 Dr. Ken Tatebe, MDChicago, IL · $15,969 in drug and device payments (2025) · Telehealth ·
(312) 942-5751 Dr. Kevin King, M.D.Chicago, IL · $380 in drug and device payments (2025) · Telehealth ·
(800) 322-9183 Dr. Laila Gharzai, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 926-5434 Dr. Linda ChenChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 824-0200 Dr. Lucas Serra, MDChicago, IL · $175 in drug and device payments (2025) ·
(773) 702-0817 Dr. Mark Korpics, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 996-3631 Dr. Maryanne Marymont, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2520 Dr. Matthew Koshy, MDChicago, IL · $202 in drug and device payments (2025) · Telehealth ·
(773) 702-0817 Dr. Michael Gutman, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 795-0528 Dr. Michael Kharouta, MDChicago, IL · $2,782 in drug and device payments (2025) · Telehealth ·
(773) 296-7076 Dr. Michael Spiotto, M.D., PH.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 702-6860 Dr. Mira Patel, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 834-8288 Common questions
How many Radiation Oncology providers are in Chicago, Illinois?There are 87 Radiation Oncology providers with active NPI records practicing in Chicago, according to federal NPPES data refreshed monthly.
How many Radiation Oncology providers in Chicago received drug or device company payments?40 of 87 (46%) 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 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 Chicago Radiation Oncology across Illinois
