Hematologists and Oncologists in Illinois
Data updated monthly · Last refresh October 2026
668 Hematology & Oncology providers practice in Illinois, including 272 (41%) 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.
668providers
272telehealth
Chicagotop city
Hematology & Oncology by city in Illinois
Choose a city to see providers there.
Hematology & 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. Olwen Hahn, M.D.Chicago, IL · $157 in drug and device payments (2025) · Telehealth ·
(773) 702-5381 Dr. Pamela Contreras Chavez, MDChicago, IL · $674 in drug and device payments (2025) · Telehealth ·
(773) 975-1600 Dr. Paramjeet Khosla, M.D.Chicago, IL · $1,368 in drug and device payments (2025) ·
(773) 257-6552 Dr. Patricia Robinson, MDChicago, IL · $1,399 in drug and device payments (2025) · Telehealth ·
(312) 695-0990 Dr. Patrick O'shea, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Pedro Hermida De Viveiros, MDChicago, IL · $44,469 in drug and device payments (2025) · Telehealth ·
(312) 926-9636 Dr. Peter Friedell, M. D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 808-0621 Dr. Peter RiedellChicago, IL · $37,844 in drug and device payments (2025) · Telehealth ·
(888) 824-0200 Dr. Philip HoffmanChicago, IL · $29,874 in drug and device payments (2025) ·
(888) 824-0200 Dr. Piernicola Boccuni, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(312) 704-2885 Dr. Priya Kumthekar, MDChicago, IL · $12,283 in drug and device payments (2025) · Telehealth ·
(312) 695-4360 Dr. Rafael Madero Marroquin, MDChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(773) 702-2731 Dr. Randy SweisChicago, IL · $5,037 in drug and device payments (2025) · Telehealth ·
(888) 824-0200 Dr. Ratan Vohra, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 296-5397 Dr. Reem Karmali, MDChicago, IL · $42,612 in drug and device payments (2025) · Telehealth ·
(312) 695-0990 Dr. Regina Stein, MDChicago, IL · $136 in drug and device payments (2025) · Telehealth ·
(312) 664-5400 Dr. Rekha Khandeparker, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 581-5888 Dr. Richard LarsonChicago, IL · $757 in drug and device payments (2025) · Telehealth ·
(888) 824-0200 Dr. Rimas Lukas, M.D.Chicago, IL · $91,958 in drug and device payments (2025) · Telehealth ·
(312) 695-4360 Dr. Rita NandaChicago, IL · $38,168 in drug and device payments (2025) · Telehealth ·
(888) 824-0200 Dr. Roger Stupp, MDChicago, IL · $75,551 in drug and device payments (2025) ·
(312) 926-1094 Dr. Rosalind Catchatourian, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 854-7257 Dr. Rosemary Carroll, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 445-3500 Dr. Rupa Chennamaneni, M.D.Chicago, IL · $20 in drug and device payments (2025) · Telehealth ·
(773) 445-3500 Dr. Rushad MachhiChicago, IL · No drug or device payments recorded (2025) ·
(312) 563-0621 Dr. Russell Szmulewitz, M.D.Chicago, IL · $3,702 in drug and device payments (2025) · Telehealth ·
(773) 702-7609 Dr. Ryan Nguyen, D.O.Chicago, IL · $114,143 in drug and device payments (2025) · Telehealth ·
(312) 355-1625 Dr. Sangeetha Nimmagadda, M.D.Chicago, IL · $1,564 in drug and device payments (2025) · Telehealth ·
(267) 250-5547 Dr. Santosh Saraf, M.D.Chicago, IL · $33,491 in drug and device payments (2025) ·
(312) 704-2885 Dr. Sarah Fenton, M.D., PHDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2253 Dr. Sarah Poland, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-2731 Dr. Sarika Jain, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 695-0990 Dr. Satyajit KosuriChicago, IL · $3,379 in drug and device payments (2025) · Telehealth ·
(888) 824-0200 Dr. Seshan Subramanian, MDChicago, IL · $1,947 in drug and device payments (2025) · Telehealth ·
(312) 567-6691 Dr. Seth Pollack, MDChicago, IL · $43,736 in drug and device payments (2025) · Telehealth ·
(312) 695-6180 Dr. Shamail Butt, M.D.Chicago, IL · $141 in drug and device payments (2025) ·
(773) 702-5957 Dr. Shikha Jain, MDChicago, IL · $21,597 in drug and device payments (2025) · Telehealth ·
(312) 355-1625 Dr. Shira Dinner, MDChicago, IL · $8,631 in drug and device payments (2025) · Telehealth ·
(312) 503-1761 Dr. Shivi Jain, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(312) 942-5904 Dr. Shiv ShahChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Shrey Sindhwani, M.D., PH.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 702-2731 Dr. Shuo Ma, M.D., PH.D.Chicago, IL · $50,232 in drug and device payments (2025) · Telehealth ·
(312) 695-6180 Dr. Smita Joshi, M.D.Chicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(773) 702-0878 Dr. Solomon Adler, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 338-2363 Dr. Sonali SmithChicago, IL · No drug or device payments recorded (2025) · Telehealth ·
(888) 824-0200 Dr. Sonia ChristianChicago, IL · $100 in drug and device payments (2025) · Telehealth ·
(773) 296-7089 Dr. Soonmo Kang, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-9699 Dr. Sulin Wu, MD, PHDChicago, IL · No drug or device payments recorded (2025) ·
(773) 702-2731 Conditions Hematology & Oncology providers in Illinois commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Hematology & Oncology providers. Individual practices vary, so confirm with the provider before booking.
- Breast cancer
- Lung cancer
- Lymphoma
- Leukemia
- Anemia
- Blood disorders
Common questions
How many Hematology & Oncology providers are in Illinois?There are 668 Hematology & Oncology providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.
Do Hematology & Oncology providers in Illinois offer telehealth?Yes. 272 of the 668 Hematology & Oncology providers in Illinois (about 41%) report offering telehealth services in CMS data.
Which cities in Illinois have the most Hematology & Oncology providers?Chicago (232), Maywood (45), Springfield (31) have the highest concentration of Hematology & Oncology providers in Illinois.
How many Hematology & Oncology providers in Illinois received drug or device company payments?421 of 668 Hematology & Oncology providers in Illinois (63%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Hematology & Oncology providers in Illinois treat?Hematology & Oncology providers commonly treat breast cancer, lung cancer, lymphoma, leukemia, anemia and related conditions. Individual practices vary, so confirm with the provider before booking.
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 Hematologists and Oncologists in Illinois work in independent practices or large health systems?Among 427 Hematologists and Oncologists in Illinois enrolled in Medicare, 5% bill through a solo or small practice with fewer than 10 clinicians, 19% through a mid-size group of 10 to 99, and 76% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Hematologists and Oncologists in Illinois work at?According to CMS facility affiliation records, the Illinois hospitals where the most Hematologists and Oncologists hold privileges are Northwestern Medicine Central Dupage Hospital in Winfield; Northwestern Memorial Hospital in Chicago; The University of Chicago Medical Center in Chicago.
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