NPI Portal NPI Lookup & Verification

Behavior Analyst in Willowbrook, IL

12 active Behavior Analyst providers practice in Willowbrook, Illinois according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Behavior Analyst providers in Willowbrook, IL
NPI Name Type Specialty Location
1366961088 Ashley Ballard Individual Behavior Analyst Willowbrook, IL
1790451391 Dean Simoncelli Individual Behavior Analyst Willowbrook, IL
1780161661 Diana Grace Individual Behavior Analyst Willowbrook, IL
1649587569 Jason Wetherbee Individual Behavior Analyst Willowbrook, IL
1194479691 Kassandra Mendoza Individual Behavior Analyst Willowbrook, IL
1114411881 Maribel Gallardo Individual Behavior Analyst Willowbrook, IL
1477156073 Nathallie Lopez Individual Behavior Analyst Willowbrook, IL
1104320605 Nicole Craggs Individual Behavior Analyst Willowbrook, IL
1609473107 Rachael Anderson Individual Behavior Analyst Willowbrook, IL
1801456926 Tatiana Diaz Individual Behavior Analyst Willowbrook, IL
1518635739 Tiana Bonds-Marshall Individual Behavior Analyst Willowbrook, IL
1821801853 Willowbrook Behavior Health LLC Organization Behavior Analyst Willowbrook, IL

Frequently asked questions

How many Behavior Analyst providers are in Willowbrook, IL?
The latest NPPES snapshot lists 12 active Behavior Analyst providers with a practice address in Willowbrook, Illinois.
How do I check a Behavior Analyst provider's NPI in Willowbrook?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.

Source: CMS NPPES (public data). Snapshot 2026-07-10.