Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Roy Gillespie
Behavior Technician in Chicago, IL · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1437958105
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Registry record
Entity type Individual (Type 1)
Name Roy Gillespie
Sex Male
Practice address 875 N Michigan Ave Fl 31, Chicago, IL, 60611
Phone (833) 599-2560
Enumeration date Mar 13, 2025
Last updated in NPPES Mar 13, 2025
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Roy Gillespie practice?
The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Roy Gillespie?
The National Provider Identifier (NPI) for Roy Gillespie is 1437958105, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-13.