Behavior Analyst in Illinois.
3,434 verified Behavior Analyst providers practise in Illinois according to the National Plan and Provider Enumeration System (NPPES). Browse by city below, or click any provider to view their full NPI record including taxonomy, address, and contact details.
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Frequently asked · IllinoisBehavior Analyst in Illinois
As of the June 2026 NPPES snapshot, 3,434 providers with the Behavior Analyst taxonomy are registered to a Illinois practice address. Counts refresh monthly from the public CMS registry.
Open any provider's full NPI record to see their active status, taxonomy, and registered Illinois practice address. For real-time confirmation, the authoritative source is the CMS NPPES public registry, which FindMyNPI mirrors and refreshes monthly.
Chicago (753), Naperville (138), Northbrook (74). Use the "Refine by city" panel above to open any city's full directory.