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Radiological Physicists in Illinois

Data updated monthly · Last refresh October 2026

5 Radiological Physics providers practice in Illinois. The largest concentration is in Springfield. 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.

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Springfieldtop city

Radiological Physics by city in Illinois

Choose a city to see providers there.

Radiological Physics in Springfield3 providers
Radiological Physics in Chicago2 providers

Radiological Physics 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. Dimitrios Dimitroyannis, PHD, MBA
Chicago, IL · No drug or device payments recorded (2025) · (617) 953-3804
Dr. Vanessa Gates, MS, DABR, DABSNM
Chicago, IL · $100 in drug and device payments (2025) · (312) 926-3138
Dr. Derek Fiedler, MS, DABR
Springfield, IL · No drug or device payments recorded (2025) · (847) 370-2194
Dr. Matthew Riblett, PHD, DABR
Springfield, IL · $2,051 in drug and device payments (2025) · (217) 528-7541
Dr. Rebecca Mahon, PHD. DABR
Springfield, IL · No drug or device payments recorded (2025) · (217) 788-3000

Common questions

How many Radiological Physics providers are in Illinois?

There are 5 Radiological Physics providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.

Which cities in Illinois have the most Radiological Physics providers?

Springfield (3), Chicago (2) have the highest concentration of Radiological Physics providers in Illinois.

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.

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Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Radiological Physics in Illinois? Get featured.