Behavior Analysts in Willowbrook, IL
Browse 11 Behavior Analyst providers listed in NPPES with a practice address in Willowbrook, Illinois.
How Willowbrook compares with the U.S.
11 active Behavior Analysts list a practice address in Willowbrook, IL in the NPI registry.
Willowbrook has fewer than 10,000 residents, so rates per 100,000 people change a lot with each clinician and are not compared here.
None of the Behavior Analysts in Willowbrook are listed in the CMS Medicare file.
These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.
Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com · Methodology
Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.
Rachael Anderson , LPC, BCBA
Behavior Analyst
Ashley Ballard
Behavior Analyst
Tiana Bonds-Marshall
Behavior Analyst
Nicole Craggs
Behavior Analyst
Tatiana Diaz
Behavior Analyst
Maribel Gallardo
Behavior Analyst
Diana Grace
Behavior Analyst
Nathallie Lopez
Behavior Analyst
Kassandra Mendoza
Behavior Analyst
Dean Simoncelli
Behavior Analyst
Jason Wetherbee , BCBA
Behavior Analyst
Frequently Asked Questions about Behavior Analyst in Willowbrook
Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the Illinois licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.
This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.