Healthcare Providers in Illinois
308,770 licensed healthcare providers are registered with a Illinois practice address in the federal NPPES database — including physicians, nurse practitioners, dentists, mental health providers, physical therapists, and healthcare organizations. The most common specialty is Clinical Social Worker (15,525 providers).
Browse by city, specialty, or ZIP code below. Data sourced from the NPPES public data files published by CMS.
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Frequently Asked Questions
How many doctors and healthcare providers are in Illinois?
308,770 licensed healthcare providers have a Illinois practice address registered in the NPPES database. This count covers all provider types — physicians, nurses, dentists, therapists, mental health providers, and healthcare organizations — and includes both active and deactivated NPI records.
What is the most common doctor specialty in Illinois?
The most common provider specialty in Illinois is Clinical Social Worker, with 15,525 registered providers. Other frequently listed specialties include Physical Therapy Assistant, Mental Health Counselor, Speech, Language and Hearing Specialist, Professional Counselor. Use the specialty pills above to browse any category.
What credentials do healthcare providers in Illinois hold?
Illinois providers in the NPPES registry hold a wide range of credentials. The most common include MD (Doctor of Medicine), DO (Doctor of Osteopathic Medicine), NP (Nurse Practitioner), PA (Physician Assistant), DDS/DMD (Dentist), and RN (Registered Nurse), among many others. Use the Credentials section to filter Illinois providers by credential type.
Where does this provider data come from?
DoctorDataHub republishes data from the NPPES public data files released by the Centers for Medicare & Medicaid Services. Every licensed U.S. healthcare provider is required to obtain an NPI. For real-time lookup and the most current provider information, use the official registry at nppes.cms.hhs.gov.