Diagnostic Radiologists in Illinois
Data updated monthly · Last refresh October 2026
1,874 Diagnostic Radiology providers practice in Illinois, including 4 (0%) 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.
1,874providers
4telehealth
Chicagotop city
Diagnostic Radiology by city in Illinois
Choose a city to see providers there.
Where Diagnostic Radiologists in Illinois practice
From CMS Medicare enrollment records covering 1,030 of the 1,874 providers listed here (55%). Providers who do not bill Medicare are not included in these figures.
4%solo or small practice (under 10 clinicians)
15%mid-size group (10 to 99)
82%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Diagnostic Radiologists | All clinicians in group | Main city |
| Northwestern Medical Faculty Foundation | 130 | 4,386 | Chicago |
| Integrated Imaging Consultants LLC | 108 | 163 | Park Ridge |
| Advocate Health and Hospitals Corp.oration | 104 | 3,081 | Chicago |
| Central Illinois Radiological Associates LTD | 101 | 205 | Peoria |
| Endeavor Health Medical Group | 81 | 3,330 | Evanston |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Diagnostic Radiologists affiliated |
| Northwestern Medicine Central Dupage Hospital | Winfield | Nonprofit | 5 of 5 | 173 |
| Northwestern Memorial Hospital | Chicago | Nonprofit | 5 of 5 | 134 |
| Northwestern Lake Forest Hospital | Lake Forest | Nonprofit | 5 of 5 | 106 |
| Northshore University Healthsystem - Evanston Hospital | Evanston | Nonprofit | 5 of 5 | 93 |
| Swedish Hospital | Chicago | Nonprofit | 3 of 5 | 90 |
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.
Diagnostic Radiology 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. Sebastian Sadowski, MDAddison, IL · No drug or device payments recorded (2025) ·
(646) 322-3587 Dr. Banti Mahanta, M.D.Alton, IL · No drug or device payments recorded (2025) ·
(618) 465-4520 Dr. Charles Schranck, MDAlton, IL · No drug or device payments recorded (2025) ·
(618) 463-7415 Dr. David Huyette, M.D.Alton, IL · No drug or device payments recorded (2025) ·
(618) 465-4520 Dr. Gino Diiorio, M.D.Alton, IL · No drug or device payments recorded (2025) ·
(618) 465-4520 Dr. John Zabrowski, M.D.Alton, IL · No drug or device payments recorded (2025) ·
(618) 465-4520 Dr. Ronald Levy, D.O.Alton, IL · No drug or device payments recorded (2025) ·
(618) 465-4520 Dr. Samuel Essma, MDAlton, IL · No drug or device payments recorded (2025) ·
(618) 463-7415 Dr. Allan Malmed, M.D.Arlington Heights, IL · $20 in drug and device payments (2025) ·
(847) 618-5871 Dr. Anthony Malone, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-5871 Dr. Brad Melliere, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(874) 618-5871 Dr. Carl Kalbhen, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-5871 Dr. Clifford Wolf, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-5871 Dr. Daniel Crane, M.D.Arlington Heights, IL · $58 in drug and device payments (2025) ·
(847) 618-5871 Dr. Edward Neyman, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 818-1111 Dr. Evan Oblonsky, M.D.Arlington Heights, IL · $258 in drug and device payments (2025) ·
(847) 590-8888 Dr. Ian Boiskin, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-5871 Dr. Jonathan Barker, M.D.Arlington Heights, IL · $101 in drug and device payments (2025) ·
(847) 618-5871 Dr. Kenneth Spero, M.D.Arlington Heights, IL · $12,859 in drug and device payments (2025) ·
(847) 618-5871 Dr. Lindsey Rabushka, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-5871 Dr. Marc Roy, M.D.Arlington Heights, IL · $46 in drug and device payments (2025) ·
(847) 618-5871 Dr. Paul Bilow, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-5871 Dr. Peter Cormier, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-5871 Dr. Richard Fagan, MDArlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-5871 Dr. Ross Benjoya, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 454-2226 Dr. Vinay Singh, M.D.Arlington Heights, IL · No drug or device payments recorded (2025) ·
(847) 618-5871 Dr. Bernard Schupbach, M.D.Aurora, IL · No drug or device payments recorded (2025) ·
(630) 859-2222 Dr. Brent Fonner, M.D.Aurora, IL · No drug or device payments recorded (2025) ·
(630) 859-2222 Dr. Daniel Piazza, MDAurora, IL · No drug or device payments recorded (2025) ·
(630) 859-8700 Dr. David Chiang, M.D.Aurora, IL · No drug or device payments recorded (2025) ·
(630) 499-2355 Dr. David Gibson, M.D.Aurora, IL · No drug or device payments recorded (2025) ·
(630) 859-2222 Dr. David Wallace, M.D.Aurora, IL · No drug or device payments recorded (2025) ·
(630) 859-2222 Dr. Edwin Dolin, M.D.Aurora, IL · No drug or device payments recorded (2025) ·
(630) 859-2222 Dr. Helen Kellett, M.D.Aurora, IL · No drug or device payments recorded (2025) ·
(630) 859-2222 Dr. John Doumanian, MDAurora, IL · No drug or device payments recorded (2025) ·
(630) 499-2355 Dr. John Plotke, M.D.Aurora, IL · No drug or device payments recorded (2025) ·
(630) 859-2222 Dr. John Tauscher, M.D.Aurora, IL · No drug or device payments recorded (2025) ·
(630) 859-8700 Dr. Melvin Boule, MDAurora, IL · No drug or device payments recorded (2025) ·
(630) 978-4804 Dr. Michael Hutchinson, MDAurora, IL · No drug or device payments recorded (2025) ·
(630) 859-2222 Dr. Michelle Lindgren, M.D. Dr. Mohsen Anwar, DOAurora, IL · No drug or device payments recorded (2025) ·
(630) 978-4804 Dr. Mohsin Sheikh, MDAurora, IL · $5,000 in drug and device payments (2025) ·
(630) 898-4515 Dr. Nancy Rifenburg, M.D.Aurora, IL · No drug or device payments recorded (2025) ·
(630) 859-8700 Dr. Pavitar Singh, MDAurora, IL · No drug or device payments recorded (2025) ·
(630) 978-4804 Dr. Rafay Ahmed, MDAurora, IL · No drug or device payments recorded (2025) ·
(630) 566-2233 Dr. Robert Palmer, MDAurora, IL · $3,501 in drug and device payments (2025) ·
(630) 898-4515 Common questions
How many Diagnostic Radiology providers are in Illinois?There are 1,874 Diagnostic Radiology providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.
Do Diagnostic Radiology providers in Illinois offer telehealth?Yes. 4 of the 1,874 Diagnostic Radiology providers in Illinois (about 0%) report offering telehealth services in CMS data.
Which cities in Illinois have the most Diagnostic Radiology providers?Chicago (593), Springfield (129), Maywood (111) have the highest concentration of Diagnostic Radiology providers in Illinois.
How many Diagnostic Radiology providers in Illinois received drug or device company payments?392 of 1,874 Diagnostic Radiology providers in Illinois (21%) 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 Diagnostic Radiologists in Illinois work in independent practices or large health systems?Among 1,030 Diagnostic Radiologists in Illinois enrolled in Medicare, 4% bill through a solo or small practice with fewer than 10 clinicians, 15% through a mid-size group of 10 to 99, and 82% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Diagnostic Radiologists in Illinois work at?According to CMS facility affiliation records, the Illinois hospitals where the most Diagnostic Radiologists hold privileges are Northwestern Medicine Central Dupage Hospital in Winfield; Northwestern Memorial Hospital in Chicago; Northwestern Lake Forest Hospital in Lake Forest.
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