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.
Where Hematologists and Oncologists in Illinois practice
From CMS Medicare enrollment records covering 427 of the 668 providers listed here (64%). Providers who do not bill Medicare are not included in these figures.
5%solo or small practice (under 10 clinicians)
19%mid-size group (10 to 99)
76%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Hematologists and Oncologists | All clinicians in group | Main city |
| Northwestern Medical Faculty Foundation | 75 | 4,386 | Chicago |
| The University of Chicago Medical Center | 48 | 907 | Chicago |
| University of Chicago | 47 | 1,674 | Chicago |
| Advocate Health and Hospitals Corp.oration | 42 | 3,081 | Buffalo Grove |
| Endeavor Health Medical Group | 23 | 3,330 | Evanston |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Hematologists and Oncologists affiliated |
| Northwestern Medicine Central Dupage Hospital | Winfield | Nonprofit | 5 of 5 | 85 |
| Northwestern Memorial Hospital | Chicago | Nonprofit | 5 of 5 | 64 |
| The University of Chicago Medical Center | Chicago | Nonprofit | 4 of 5 | 55 |
| Northwestern Medicine Mchenry | Mchenry | Nonprofit | 5 of 5 | 49 |
| Palos Community Hospital | Palos Heights | Nonprofit | 4 of 5 | 47 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
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. Manpreet Sandhu, M.D.Alton, IL · $63 in drug and device payments (2025) · Telehealth ·
(618) 474-4855 Dr. Viwathna Bhuthimethee, M.D.Alton, IL · No drug or device payments recorded (2025) ·
(618) 462-7488 Dr. Asadullah Khan, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-4430 Dr. Fatema EsmailArlington Heights, IL · $1,378 in drug and device payments (2025) ·
(847) 259-4482 Dr. Grace Suh, M.D.Arlington Heights, IL · $3,009 in drug and device payments (2025) · Telehealth ·
(224) 251-1800 Dr. Omar Mohammed, MDArlington Heights, IL · $36 in drug and device payments (2025) ·
(224) 251-1800 Dr. Rajat Malhotra, MDArlington Heights, IL · $7,559 in drug and device payments (2025) ·
(847) 259-4482 Dr. Randy Rich, MDArlington Heights, IL · $1,704 in drug and device payments (2025) ·
(847) 259-4482 Dr. Richard Siegel, MDArlington Heights, IL · $2,248 in drug and device payments (2025) ·
(847) 259-4482 Dr. Urszula Sobol, M.D.Arlington Heights, IL · $3,308 in drug and device payments (2025) ·
(847) 259-4482 Dr. Chitra Madhavan, M.DAurora, IL · No drug or device payments recorded (2025) ·
(630) 892-5500 Dr. Ho Myong, M.D.Aurora, IL · $78 in drug and device payments (2025) · Telehealth ·
(630) 978-6250 Dr. Joseph Meschi, M.D.Aurora, IL · $91 in drug and device payments (2025) · Telehealth ·
(630) 978-6250 Dr. Kaushikbhai Patel, M.D.Aurora, IL · $30 in drug and device payments (2025) · Telehealth ·
(630) 978-6250 Dr. Mohammed Raheem, MDAurora, IL · $58 in drug and device payments (2025) · Telehealth ·
(630) 859-8700 Dr. Mukta Pant-purohit, M.D. Dr. Elizabeth Elliott, D.O.Barrington, IL · $1,780 in drug and device payments (2025) · Telehealth ·
(847) 842-0180 Dr. John Berry, MDBerwyn, IL · $88,561 in drug and device payments (2025) ·
(708) 484-8400 Dr. Lawrence Schilder, DO Dr. Keerthi Tamragouri, M.D.Bolingbrook, IL · $129 in drug and device payments (2025) ·
(630) 312-2000 Dr. Leela Rao, MDBolingbrook, IL · No drug or device payments recorded (2025) ·
(630) 312-2000 Dr. Valentina Macrinici, M.D.Bolingbrook, IL · $433 in drug and device payments (2025) ·
(630) 312-2000 Dr. V Kuchipudi, M.D.Brookfield, IL · No drug or device payments recorded (2025) ·
(708) 387-0121 Dr. Jayanthi Ramadurai, MDBurbank, IL · $4,015 in drug and device payments (2025) ·
(708) 636-8741 Dr. Dorothy Sipkins, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(773) 834-4064 Dr. Edwin Posadas, MDBurr Ridge, IL · $15,504 in drug and device payments (2025) · Telehealth ·
(773) 834-4064 Dr. Mouhammed Kelta, M.DBurr Ridge, IL · $1,338 in drug and device payments (2025) ·
(630) 560-9288 Dr. Richard Schilsky, MDBurr Ridge, IL · $376 in drug and device payments (2025) ·
(773) 834-4064 Dr. Todd Zimmerman, MDBurr Ridge, IL · No drug or device payments recorded (2025) ·
(773) 834-4064 Dr. Ibrahim Omore, M.DCarterville, IL · $48 in drug and device payments (2025) · Telehealth ·
(618) 985-3333 Dr. Jennifer Obasi, MDCarterville, IL · $52 in drug and device payments (2025) · Telehealth ·
(618) 985-3333 Dr. John Clement, MDCarterville, IL · No drug or device payments recorded (2025) ·
(618) 985-3333 Dr. Lakshmi Manogna Chintalacheruvu, MDCarterville, IL · $108 in drug and device payments (2025) · Telehealth ·
(618) 985-3333 Dr. Muhammad PopalzaiCarterville, IL · $537 in drug and device payments (2025) · Telehealth ·
(618) 985-3333 Dr. Gibran Mahmud, M.D.Centralia, IL · $3,656 in drug and device payments (2025) · Telehealth ·
(618) 436-5410 Dr. Kathleen Naegele, D.O.Champaign, IL · $49 in drug and device payments (2025) ·
(217) 366-1299 Dr. Krishnan Srinivasan, MDChampaign, IL · $579 in drug and device payments (2025) ·
(217) 366-1299 Dr. Mohammed Eikram, M.D.Champaign, IL · No drug or device payments recorded (2025) ·
(217) 366-1299 Dr. Muhammad Saad Khan, M.D.Champaign, IL · $40 in drug and device payments (2025) ·
(217) 366-1299 Dr. Shrunjal Shah, M.D.Champaign, IL · $49 in drug and device payments (2025) · Telehealth ·
(217) 366-1299 Dr. Aadil KhanChicago, IL · No drug or device payments recorded (2025) ·
(312) 942-4200 Dr. Abdulrazzak Zarifa, MDChicago, IL · $231 in drug and device payments (2025) ·
(312) 864-6000 Dr. Abeselom Geletu, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 563-0621 Dr. Adam Cohen-nowak, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 926-2000 Dr. Adam Duvall, M.D.Chicago, IL · No drug or device payments recorded (2025) ·
(773) 702-1000 Dr. Adam Lin, M.D., PH.D.Chicago, IL · $204 in drug and device payments (2025) · Telehealth ·
(312) 695-6180 Dr. Adam Petrich, MDChicago, IL · No drug or device payments recorded (2025) ·
(312) 695-6180 Dr. Adam Stepanovic, MDChicago, IL · $114 in drug and device payments (2025) · Telehealth ·
(737) 021-0007 Dr. Adrian Bianco, MDChicago, IL · No drug or device payments recorded (2025) ·
(773) 774-0042 Dr. Afaf OsmanChicago, IL · $1,550 in drug and device payments (2025) ·
(773) 702-0878 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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