26 Cytopathology providers practice in Illinois. 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.
Choose a city to see providers there.
| Cytopathology in Chicago | 9 providers |
| Cytopathology in Maywood | 6 providers |
| Cytopathology in Moline | 4 providers |
| Cytopathology in Carbondale | 1 providers |
| Cytopathology in O Fallon | 1 providers |
| Cytopathology in Hinsdale | 1 providers |
| Cytopathology in Morris | 1 providers |
| Cytopathology in Naperville | 1 providers |
| Cytopathology in Elk Grove Village | 1 providers |
| Cytopathology in Palos Heights | 1 providers |
From CMS Medicare enrollment records covering 11 of the 26 providers listed here (42%). Providers who do not bill Medicare are not included in these figures.
| Group (as registered with Medicare) | Cytopathologists | All clinicians in group | Main city |
| Loyola University Medical Center | 3 | 917 | Maywood |
| Northwestern Medical Faculty Foundation | 2 | 4,386 | Chicago |
| Hospital | City | Ownership | CMS star rating | Cytopathologists affiliated |
| Macneal Hospital | Berwyn | For-profit | 3 of 5 | 3 |
| Northwestern Medicine Central Dupage Hospital | Winfield | Nonprofit | 5 of 5 | 3 |
| Loyola University Medical Center | Maywood | Nonprofit | 2 of 5 | 3 |
| Loyola Gottlieb Memorial Hospital | Melrose Park | Nonprofit | 3 of 5 | 3 |
| Northshore University Healthsystem - Evanston Hospital | Evanston | Nonprofit | 5 of 5 | 2 |
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.
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.
There are 26 Cytopathology providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.
Chicago (9), Maywood (6), Moline (4) have the highest concentration of Cytopathology providers in Illinois.
4 of 26 Cytopathology providers in Illinois (15%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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.
Among 11 Cytopathologists in Illinois enrolled in Medicare, 9% bill through a solo or small practice with fewer than 10 clinicians, 27% through a mid-size group of 10 to 99, and 64% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
According to CMS facility affiliation records, the Illinois hospitals where the most Cytopathologists hold privileges are Macneal Hospital in Berwyn; Northwestern Medicine Central Dupage Hospital in Winfield; Loyola University Medical Center in Maywood.
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