Oncologists in Illinois
Data updated monthly · Last refresh October 2026
185 Medical Oncology providers practice in Illinois, including 86 (46%) offering telehealth. The largest concentration is in Chicago. 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.
185providers
86telehealth
Chicagotop city
Medical Oncology by city in Illinois
Choose a city to see providers there.
Medical Oncology providers in Illinois
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. Maeve HennessyChicago, IL · No drug or device payments recorded (2025) ·
(312) 502-2904 Dr. Manali Bhave, MDChicago, IL · $11,690 in drug and device payments (2025) · Telehealth ·
(224) 420-1103 Dr. Manan Shah, MDChicago, IL · $41 in drug and device payments (2025) · Telehealth ·
(312) 942-8174 Dr. Manik Amin, MDChicago, IL · $318 in drug and device payments (2025) · Telehealth ·
(773) 702-1000 Dr. Marcelo Cruz, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 472-1234 Dr. Margarite MatossianChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-1000 Dr. Maria MoscvinChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-1150 Dr. Marina Chiara Garassino, MDChicago, IL · $92,271 in drug and device payments (2025) · Telehealth ·
(773) 702-2984 Dr. Mark RatainChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 824-0200 Dr. Marta Batus, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 563-2487 Dr. Mary Fidler, M.D.Chicago, IL · $29,719 in drug and device payments (2025) · Telehealth ·
(312) 942-5904 Dr. Mary Mulcahy, MDChicago, IL · $165 in drug and device payments (2025) · Telehealth ·
(312) 695-0990 Dr. May Chen, MDChicago, IL · $95 in drug and device payments (2025) · Telehealth ·
(888) 824-0200 Dr. Mehmet Murat Zerey, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Melody Cobleigh, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 942-5904 Dr. Michael Jelinek, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 942-5904 Dr. Minhtri Nguyen, MDChicago, IL · $670 in drug and device payments (2025) · Telehealth ·
(312) 942-5978 Dr. Mohammad Atiq, M.D.Chicago, IL · $419 in drug and device payments (2025) · Telehealth ·
(773) 702-1000 Dr. Nan ChenChicago, IL · $13,845 in drug and device payments (2025) · Telehealth ·
(888) 824-0200 Dr. Natalie Reizine, M.D.Chicago, IL · $2,576 in drug and device payments (2025) · Telehealth ·
(773) 702-6840 Dr. Nisha Mohindra, MDChicago, IL · $18,085 in drug and device payments (2025) · Telehealth ·
(312) 695-0990 Dr. Noura Choudhury, M.D.Chicago, IL · $15,377 in drug and device payments (2025) · Telehealth ·
(773) 795-0232 Dr. Nyambi Ebie, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 731-2982 Dr. Philip Bonomi, M.D.Chicago, IL · $4,770 in drug and device payments (2025) ·
(312) 942-5904 Dr. Rakhshanda Neelam, M.D.Chicago, IL · $986 in drug and device payments (2025) ·
(847) 746-4358 Dr. R Deva Nathan, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 205-8415 Dr. Richard Warren, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 731-2982 Dr. Robert Cameron, MD, PHDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(773) 702-6840 Dr. Ruta Rao, M.D.Chicago, IL · $59,414 in drug and device payments (2025) · Telehealth ·
(312) 942-5904 Dr. Sarah Lincoln, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 942-5904 Dr. Sheetal Kircher, M.D.Chicago, IL · $68 in drug and device payments (2025) · Telehealth ·
(312) 695-0990 Dr. Shweta Gupta, MDChicago, IL · $540 in drug and device payments (2025) ·
(312) 864-7229 Dr. Sigmund Weitzman, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 695-0990 Dr. Sunandana Chandra, M.D.Chicago, IL · $25,389 in drug and device payments (2025) · Telehealth ·
(517) 896-3576 Dr. Susan Mcdunn, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 864-7250 Dr. Thomas Westbrook, MDChicago, IL · $14 in drug and device payments (2025) · Telehealth ·
(312) 226-2371 Dr. Vivek Behera, M.D., PH. D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(773) 702-6760 Dr. William Gradishar, MDChicago, IL · $56,384 in drug and device payments (2025) · Telehealth ·
(312) 695-0990 Dr. Yolande ChenChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 503-3204 Dr. Thomas Weyburn, D.O.Crystal Lake, IL · $174 in drug and device payments (2025) · Telehealth ·
(815) 759-9260 Dr. James Wade, M.D.Decatur, IL · $292 in drug and device payments (2025) ·
(217) 876-6600 Dr. Mario Velasco, MDDecatur, IL · $2,411 in drug and device payments (2025) ·
(217) 876-6600 Dr. Sabet Siddiqui, M.D.Dekalb, IL · $19 in drug and device payments (2025) · Telehealth ·
(815) 756-5255 Dr. Philip Dy, M.D.Effingham, IL · $1,160 in drug and device payments (2025) · Telehealth ·
(217) 342-2066 Common questions
How many Medical Oncology providers are in Illinois?There are 185 Medical Oncology providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.
Do Medical Oncology providers in Illinois offer telehealth?Yes. 86 of the 185 Medical Oncology providers in Illinois (about 46%) report offering telehealth services in CMS data.
Which cities in Illinois have the most Medical Oncology providers?Chicago (85), Evanston (18), Rockford (8) have the highest concentration of Medical Oncology providers in Illinois.
How many Medical Oncology providers in Illinois received drug or device company payments?115 of 185 Medical Oncology providers in Illinois (62%) 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 Oncologists in Illinois work in independent practices or large health systems?Among 126 Oncologists in Illinois enrolled in Medicare, 5% bill through a solo or small practice with fewer than 10 clinicians, 7% through a mid-size group of 10 to 99, and 88% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Oncologists in Illinois work at?According to CMS facility affiliation records, the Illinois hospitals where the most Oncologists hold privileges are The University of Chicago Medical Center in Chicago; Swedish Hospital in Chicago; Northshore University Healthsystem - Evanston Hospital in Evanston.
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