Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Stephanie S Diaz
Behavior Technician in Hilo, HI · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578371555
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Registry record
Entity type Individual (Type 1)
Name Stephanie S Diaz
Sex Female
Practice address 1221 Kilauea Ave, Hilo, HI, 96720
Phone (808) 756-5613
Enumeration date Dec 23, 2024
Last updated in NPPES Dec 26, 2024
Taxonomy & licenses
106S00000X Behavior Technician Behavioral Health & Social Service Providers · License RBT-24-393077 (HI) Primary
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 Stephanie Diaz practice?
The practice location on file with NPPES is in Hilo, HI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Stephanie Diaz?
The National Provider Identifier (NPI) for Stephanie Diaz is 1578371555, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-12-26.