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. Tsvetelina TodorovaOak Lawn, IL · $263 in drug and device payments (2025) ·
(708) 684-8000 Dr. Vasantha Kumaraiah, MDOak Lawn, IL · $34 in drug and device payments (2025) ·
(708) 424-9710 Dr. Bachir Farah, M.D.O Fallon, IL · $2,282 in drug and device payments (2025) · Telehealth ·
(618) 416-7970 Dr. Bassam Maalouf, M.D.O Fallon, IL · $4,201 in drug and device payments (2025) · Telehealth ·
(618) 416-7970 Dr. Mark Walshauser, M.D.O Fallon, IL · $2,101 in drug and device payments (2025) ·
(618) 416-7970 Dr. Amani ErraOrland Park, IL · $17 in drug and device payments (2025) · Telehealth ·
(708) 226-2318 Dr. Asad Javed, M.D.Orland Park, IL · $132 in drug and device payments (2025) · Telehealth ·
(888) 824-0200 Dr. Brenda GrzeniaOrland Park, IL · $261 in drug and device payments (2025) ·
(815) 300-7764 Dr. Saoud Loutfi, MDOrland Park, IL · $348 in drug and device payments (2025) · Telehealth ·
(815) 300-7764 Dr. Sylvia Falls, MDOrland Park, IL · $31 in drug and device payments (2025) · Telehealth ·
(708) 873-4500 Dr. Yaseen Alkaddoumi, M.D.Orland Park, IL · $17 in drug and device payments (2025) · Telehealth ·
(708) 226-2318 Dr. Yazan Numan, MDOrland Park, IL · No drug or device payments recorded (2025) · Telehealth ·
(708) 226-2318 Dr. William O'reilly, M.D.Palos Heights, IL · No drug or device payments recorded (2025) ·
(708) 361-4778 Dr. Abdullah Malas, M.B.B.S., MDPark Ridge, IL · $5,154 in drug and device payments (2025) · Telehealth ·
(847) 268-8200 Dr. Andrew Mcdonald, MDPark Ridge, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 268-8200 Dr. Angel Galvez, M.D.Park Ridge, IL · No drug or device payments recorded (2025) ·
(847) 268-8200 Dr. Ari Hakimian, DOPark Ridge, IL · $109 in drug and device payments (2025) ·
(847) 268-8200 Dr. Arthur Hooberman, M.D.Park Ridge, IL · No drug or device payments recorded (2025) ·
(847) 268-8200 Dr. Christie Hancock, M.D.Park Ridge, IL · $26 in drug and device payments (2025) ·
(847) 268-8200 Dr. Cullen Scott, MDPark Ridge, IL · No drug or device payments recorded (2025) ·
(847) 723-2210 Dr. Dimitra Kanaloupitis, M.D.Park Ridge, IL · No drug or device payments recorded (2025) ·
(847) 318-9340 Dr. Edward James, M.D.,Park Ridge, IL · $278 in drug and device payments (2025) · Telehealth ·
(847) 268-8200 Dr. Harrah Chiang, DOPark Ridge, IL · No drug or device payments recorded (2025) ·
(847) 268-8200 Dr. Jacob Bitran, M.D.Park Ridge, IL · $150 in drug and device payments (2025) ·
(847) 268-8200 Dr. Jason Macklis, M.D.Park Ridge, IL · No drug or device payments recorded (2025) ·
(847) 268-8577 Dr. Jon Richards, M.D.Park Ridge, IL · No drug or device payments recorded (2025) ·
(847) 268-8200 Dr. Michael JacobsPark Ridge, IL · $35 in drug and device payments (2025) ·
(847) 268-8200 Dr. Oscar Sucre Astorga, M.DPark Ridge, IL · $68 in drug and device payments (2025) ·
(847) 268-8200 Dr. Pamela Kaiser, M.D.Park Ridge, IL · $33 in drug and device payments (2025) ·
(847) 268-8200 Dr. Priya Rajakumar, M.D.Park Ridge, IL · No drug or device payments recorded (2025) ·
(847) 268-8200 Dr. Saagar Pamulapati, MD, MA IN BIOETHICSPark Ridge, IL · $84 in drug and device payments (2025) ·
(847) 268-8200 Dr. Sabree Abedrabo, MDPark Ridge, IL · $2,460 in drug and device payments (2025) ·
(847) 268-8200 Dr. Shams Bufalino, M.D.Park Ridge, IL · No drug or device payments recorded (2025) ·
(847) 268-8200 Dr. Sigrun Hallmeyer, MDPark Ridge, IL · $18,305 in drug and device payments (2025) · Telehealth ·
(847) 268-8200 Dr. Taha Alrifai, MDPark Ridge, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 268-8200 Dr. Timothy Lestingi, M.D.Park Ridge, IL · No drug or device payments recorded (2025) ·
(847) 268-8200 Dr. Umar Hussain, DOPark Ridge, IL · No drug or device payments recorded (2025) ·
(847) 268-8200 Dr. Allen Vukov, MDPeoria, IL · No drug or device payments recorded (2025) ·
(309) 243-3541 Dr. Francois Geoffroy, MDPeoria, IL · $42 in drug and device payments (2025) · Telehealth ·
(309) 243-3000 Dr. Gary Macvicar, MDPeoria, IL · No drug or device payments recorded (2025) · Telehealth ·
(309) 243-3000 Dr. Gregory Gerstner, M.D.Peoria, IL · $31 in drug and device payments (2025) · Telehealth ·
(309) 243-3000 Dr. James Gerstner, MDPeoria, IL · No drug or device payments recorded (2025) ·
(309) 243-3000 Dr. James Knost, MDPeoria, IL · No drug or device payments recorded (2025) ·
(309) 243-3000 Dr. Jijun Liu, MDPeoria, IL · $48 in drug and device payments (2025) · Telehealth ·
(309) 243-3000 Dr. John Kugler, MDPeoria, IL · No drug or device payments recorded (2025) ·
(309) 243-3000 Dr. Kimberly Ku, MDPeoria, IL · $22,154 in drug and device payments (2025) · Telehealth ·
(309) 243-3000 Dr. Madhuri Bajaj, MDPeoria, IL · No drug or device payments recorded (2025) · Telehealth ·
(309) 243-3000 Dr. Michael Veeder, MDPeoria, IL · $31 in drug and device payments (2025) · Telehealth ·
(309) 243-3000 Dr. Mohammad Asad, MDPeoria, IL · No drug or device payments recorded (2025) · Telehealth ·
(309) 243-3000 Dr. Nadia Rehman, MDPeoria, IL · $31 in drug and device payments (2025) · Telehealth ·
(309) 243-3000 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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