Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Maasai William Harris
Behavior Technician in Tempe, AZ · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1386459873
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Registry record
Entity type Individual (Type 1)
Name Maasai William Harris
Sex Male
Practice address 2005 W 14th St Ste 121, Tempe, AZ, 85281
Phone (480) 863-0763
Fax (480) 898-7419
Enumeration date Feb 11, 2025
Last updated in NPPES Feb 11, 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 Maasai Harris practice?
The practice location on file with NPPES is in Tempe, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Maasai Harris?
The National Provider Identifier (NPI) for Maasai Harris is 1386459873, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → H.O.P.E. Group, LLC. Behavior Analyst · Tempe, AZ NPI 1548408503 Hope Group Clinical Behavior Analyst · Tempe, AZ NPI 1245803857 Hope Group Clinical LLC Behavior Analyst · Tempe, AZ NPI 1497403752 Liam Ryan Behavior Technician · Tempe, AZ NPI 1912724980 Jacquelynn Greer Behavior Technician · Tempe, AZ NPI 1124844394 Samantha Stacherski Behavior Technician · Tempe, AZ NPI 1083508105 Francis Gonzales Behavior Technician · Tempe, AZ NPI 1316831431 Samira Camargo Behavior Technician · Tempe, AZ NPI 1417846494
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-11.