Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Matthew Arellano, BA, MS, BCBA
Behavior Analyst in Gardena, CA · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1043719099
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Registry record
Entity type Individual (Type 1)
Name Matthew Arellano
Credential BA, MS, BCBA
Sex Male
Practice address 1225 W 190th St Ste 250, Gardena, CA, 90248
Phone (310) 878-3949
Enumeration date Feb 6, 2018
Last updated in NPPES Jun 30, 2026
Taxonomy & licenses
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-21-52817 (CA) Primary
106S00000X Behavior Technician Behavioral Health & Social Service Providers · License 00003054 (CA) Secondary
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 Matthew Arellano practice?
The practice location on file with NPPES is in Gardena, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Matthew Arellano?
The National Provider Identifier (NPI) for Matthew Arellano is 1043719099, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → David Gutierrez Behavior Technician · Gardena, CA NPI 1801440870 Chelsea Cleveland Behavior Analyst · Gardena, CA NPI 1114682770 Laquana Quinones Behavior Technician · Gardena, CA NPI 1770472946 Elizabeth Chavez Behavior Technician · Gardena, CA NPI 1104798362 Marin Morgan Behavior Technician · Gardena, CA NPI 1316819303 Janaiya Hayes Behavior Technician · Gardena, CA NPI 1588521769 Morgan Covan Behavior Technician · Gardena, CA NPI 1467310839 Quinn Sullivan Behavior Technician · Gardena, CA NPI 1457201477
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-30.