161 Allergy & Immunology providers practice in Illinois, including 45 (28%) 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.
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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.
Patients often search by condition rather than specialty. These are conditions typically managed by Allergy & Immunology providers. Individual practices vary, so confirm with the provider before booking.
There are 161 Allergy & Immunology providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.
Yes. 45 of the 161 Allergy & Immunology providers in Illinois (about 28%) report offering telehealth services in CMS data.
Chicago (47), Glenview (9), Peoria (5) have the highest concentration of Allergy & Immunology providers in Illinois.
106 of 161 Allergy & Immunology providers in Illinois (66%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Allergy & Immunology providers commonly treat seasonal allergies, food allergies, asthma, eczema, chronic hives and related conditions. Individual practices vary, so confirm with the provider before booking.
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 110 Allergists in Illinois enrolled in Medicare, 41% bill through a solo or small practice with fewer than 10 clinicians, 5% through a mid-size group of 10 to 99, and 55% 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 Allergists hold privileges are Northwestern Medicine Central Dupage Hospital in Winfield; Northshore University Healthsystem - Evanston Hospital in Evanston; Northwestern Memorial Hospital in Chicago.
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