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. Robert Mandal, MDElgin, IL · $1,580 in drug and device payments (2025) ·
(847) 931-0909 Dr. Marilyn Evrard, MDElmhurst, IL · No drug or device payments recorded (2025) ·
(630) 758-8640 Dr. Ami Badami, M.D.Evanston, IL · $213 in drug and device payments (2025) · Telehealth ·
(847) 570-2515 Dr. Ann Kinnealey, MDEvanston, IL · No drug or device payments recorded (2025) ·
(847) 869-2076 Dr. Bruce Brockstein, MDEvanston, IL · $26 in drug and device payments (2025) · Telehealth ·
(847) 570-2112 Dr. Carolina Soto Chervin, M.D. PH.D.Evanston, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 570-2112 Dr. Daniel Shevrin, MDEvanston, IL · $71 in drug and device payments (2025) · Telehealth ·
(847) 570-2112 Dr. Douglas Merkel, MDEvanston, IL · No drug or device payments recorded (2025) ·
(847) 570-2112 Dr. Erwin Robin, MDEvanston, IL · No drug or device payments recorded (2025) ·
(847) 570-2112 Dr. Gershon Locker, MDEvanston, IL · No drug or device payments recorded (2025) ·
(888) 909-5222 Dr. James Ward, M.D.Evanston, IL · No drug or device payments recorded (2025) ·
(847) 570-2112 Dr. Janardan Khandekar, MDEvanston, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 570-2735 Dr. Javed Imam, M.D.Evanston, IL · $635 in drug and device payments (2025) · Telehealth ·
(847) 475-6063 Dr. Marisa Hill, MDEvanston, IL · No drug or device payments recorded (2025) ·
(847) 570-2112 Dr. Nicholas Campbell, MDEvanston, IL · $161 in drug and device payments (2025) · Telehealth ·
(847) 570-2112 Dr. Poornima Saha, MDEvanston, IL · $5,542 in drug and device payments (2025) · Telehealth ·
(847) 570-2112 Dr. Richard Knop, MDEvanston, IL · No drug or device payments recorded (2025) ·
(888) 909-5222 Dr. Robert Marsh, MDEvanston, IL · $45 in drug and device payments (2025) ·
(847) 570-2112 Dr. Saad Arain, M.D.Evanston, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 570-2112 Dr. Thomas Hensing, MDEvanston, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 570-2112 Dr. John Mcclean, M.D.Galesburg, IL · No drug or device payments recorded (2025) ·
(309) 343-2262 Dr. Anshu HemrajaniGlenview, IL · $23 in drug and device payments (2025) · Telehealth ·
(847) 570-2112 Dr. Ariel Polish, MDGlenview, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 503-1000 Dr. Elaine Wade, MDGlenview, IL · $136 in drug and device payments (2025) · Telehealth ·
(847) 657-5826 Dr. Nicklas Pfanzelter, MDGlenview, IL · $15,006 in drug and device payments (2025) · Telehealth ·
(847) 503-1000 Dr. Narendrakumar Kapadia, M.D.Gurnee, IL · No drug or device payments recorded (2025) ·
(800) 322-9183 Dr. Britt Hanson, DOHighland Park, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 480-3800 Dr. Leon Dragon, MDHighland Park, IL · No drug or device payments recorded (2025) ·
(847) 480-3800 Dr. Matthew Adess, MDHighland Park, IL · $80 in drug and device payments (2025) · Telehealth ·
(847) 480-3800 Dr. Teresa Law, MDHighland Park, IL · No drug or device payments recorded (2025) · Telehealth ·
(847) 480-3800 Dr. Dean Tsarwhas, M.D.Lake Forest, IL · $278 in drug and device payments (2025) · Telehealth ·
(847) 582-2134 Dr. Elizabeth Chung, M.D.Libertyville, IL · $22 in drug and device payments (2025) · Telehealth ·
(847) 367-6781 Dr. Michael Cochran, M.D.Libertyville, IL · No drug or device payments recorded (2025) ·
(847) 367-6781 Dr. Misbahuddin Ahmed, MD Dr. Musaberk Goksel, M.D.Mattoon, IL · $197 in drug and device payments (2025) · Telehealth ·
(217) 258-2250 Dr. Ginny Kamboj, MDMchenry, IL · No drug or device payments recorded (2025) ·
(815) 307-8075 Dr. David Rosi, MDMelrose Park, IL · No drug or device payments recorded (2025) ·
(708) 327-1518 Dr. Costas Constantinou, MD Dr. David Spector, MDMoline, IL · $4,059 in drug and device payments (2025) ·
(309) 779-4200 Dr. Mohammed Siddiqui, MDNashville, IL · No drug or device payments recorded (2025) ·
(618) 327-2225 Dr. Bhanu Vakkalanka, M.D.Normal, IL · $43 in drug and device payments (2025) · Telehealth ·
(309) 451-8500 Dr. Syed Ahmed, MDOak Brook, IL · $20 in drug and device payments (2025) · Telehealth ·
(331) 732-4490 Dr. Gary Steinecker, MDOak Lawn, IL · $23 in drug and device payments (2025) ·
(708) 346-4100 Dr. Nada Sherman, MDOak Lawn, IL · $293 in drug and device payments (2025) ·
(708) 424-9710 Dr. Prashant Joshi, M.D.Oak Lawn, IL · $1,444 in drug and device payments (2025) · Telehealth ·
(708) 684-4200 Dr. Thomas Hoeltgen, MDOak Lawn, IL · No drug or device payments recorded (2025) ·
(708) 424-9710 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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