Individual provider · Type 1 NPI

Gemma D. Callahan

Behavior Analyst · Warrenville, IL

NPI number 1598691065 Active

Practice location

27555 Diehl Rd
Warrenville, IL 60555-3849

Call (630) 281-1815 Map

Specialties and licenses

TaxonomyCodeLicense
Behavior Analyst Primary 103K00000X152.000987 (IL)

Behavior Analyst: A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis…

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About NPI 1598691065

Gemma D. Callahan's National Provider Identifier is 1598691065, issued on Jun 22, 2026. The primary taxonomy on file is Behavior Analyst (103K00000X), and the practice location is in Warrenville, IL. The record was last updated on Jun 22, 2026.