Illinois NPI Directory

There are 312,618 healthcare providers registered in the NPI database with a practice location in Illinois, spread across 672 cities and towns. Pick a city below to see the medical specialties practiced there, then drill into a specialty for the full provider list with addresses and Medicare status.

312,618
NPI Records in Illinois
672
Cities & Towns
IL
State Code

Search providers in Illinois

All cities in Illinois (672)

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Providers appear under Illinois because they reported a business practice address in the state to the NPI enumerator. A provider may have more than one location, so confirm directly with the provider that the listed address is where they currently practice.

Provider data from the National Plan and Provider Enumeration System (NPPES), refreshed weekly (updated June 21, 2026). PECOS status from the CMS Medicare Order and Referring dataset (updated June 18, 2026).