20 Hematology (Pathology) 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.
| Hematology (Pathology) in Chicago | 8 providers |
| Hematology (Pathology) in Maywood | 4 providers |
| Hematology (Pathology) in Naperville | 2 providers |
| Hematology (Pathology) in Tinley Park | 2 providers |
| Hematology (Pathology) in Rockford | 1 providers |
| Hematology (Pathology) in Melrose Park | 1 providers |
| Hematology (Pathology) in Jacksonville | 1 providers |
| Hematology (Pathology) in Elk Grove Village | 1 providers |
From CMS Medicare enrollment records covering 7 of the 20 providers listed here (35%). Providers who do not bill Medicare are not included in these figures.
| Group (as registered with Medicare) | Hematologists (Pathology) | All clinicians in group | Main city |
| Northwestern Medical Faculty Foundation | 2 | 4,386 | Chicago |
| Dupage Medical Group LTD | 2 | 1,326 | Bloomingdale |
| Associated Pathologists and Laboratory Physicians LLC | 2 | 13 | Lockport |
| Laboratory and Pathology Diagnostics LLC | 2 | 13 | Naperville |
| Hospital | City | Ownership | CMS star rating | Hematologists (Pathology) affiliated |
| Palos Community Hospital | Palos Heights | Nonprofit | 4 of 5 | 2 |
| Edward Hospital | Naperville | Nonprofit | 3 of 5 | 2 |
| Swedish Hospital | Chicago | Nonprofit | 3 of 5 | 2 |
| Northwestern Medicine Mchenry | Mchenry | Nonprofit | 5 of 5 | 2 |
| Northwestern Memorial Hospital | Chicago | 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 20 Hematology (Pathology) providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.
Chicago (8), Maywood (4), Naperville (2) have the highest concentration of Hematology (Pathology) providers in Illinois.
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.
According to CMS facility affiliation records, the Illinois hospitals where the most Hematologists (Pathology) hold privileges are Palos Community Hospital in Palos Heights; Edward Hospital in Naperville; Swedish Hospital in Chicago.
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