Active NPI
Matthew Arellano, BA, MS, BCBA
- Behavior Analyst
- Gardena, CA
National Provider Identifier
1043719099
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Behavior Analyst
- License
- 1-21-52817
- Practice address
- 1225 W 190TH St Ste 250
Gardena, CA 90248-4305 - Phone
- (310) 878-3949
- NPI assigned
- Feb 6, 2018
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Behavior Analyst | 103K00000X | 1-21-52817 | CA | Primary |
| Behavior Technician | 106S00000X | 00003054 | CA |
Addresses
Primary practice location
1225 W 190TH St Ste 250
Gardena, CA 90248-4305
Mailing address
1225 W 190TH St Ste 250
Gardena, CA 90248-4305
Phone (310) 878-3949
Other practice location 1
23842 Hawthorne Blvd Ste 100&101
Torrance, CA 90505-5929
Phone (424) 999-2990
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Bachelor of Arts, Master of Science
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 00003054 | CA | MD | Behavior Technician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1517875200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782777600000",
"number": "1043719099",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1225 W 190TH ST STE 250",
"city": "GARDENA",
"state": "CA",
"postal_code": "902484305",
"telephone_number": "310-878-3949"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1225 W 190TH ST STE 250",
"city": "GARDENA",
"state": "CA",
"postal_code": "902484305",
"telephone_number": "310-878-3949"
}
],
"practiceLocations": [
{
"address_1": "23842 Hawthorne Blvd Ste 100&101",
"address_purpose": "LOCATION",
"city": "Torrance",
"state": "CA",
"postal_code": "905055929",
"country_code": "US",
"telephone_number": "424-999-2990",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ARELLANO",
"first_name": "MATTHEW",
"credential": "BA, MS, BCBA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-02-06",
"last_updated": "2026-06-30",
"certification_date": "2026-06-30",
"status": "A"
},
"taxonomies": [
{
"code": "103K00000X",
"taxonomy_group": "",
"desc": "Behavior Analyst",
"state": "CA",
"license": "1-21-52817",
"primary": true
},
{
"code": "106S00000X",
"taxonomy_group": "",
"desc": "Behavior Technician",
"state": "CA",
"license": "00003054",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Gardena, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.