MATTHEW ARELLANO BA, MS, BCBA
NPI 1043719099
Behavior Analyst in Gardena, CA
NPI Status: Active since February 06, 2018
Contact Information
1225 W 190TH ST STE 250
GARDENA, CA
ZIP 90248
Phone: (310) 878-3949
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.
- Individual
- Male
- Behavior Analyst
About MATTHEW ARELLANO
This page provides the complete NPI Profile along with additional information for Matthew Arellano, a provider established in Gardena, California with a medical specialization in Behavior Analyst. The healthcare provider is registered in the NPI registry with number 1043719099 assigned on February 2018. The practitioner's primary taxonomy code is 103K00000X with license number 1-21-52817 (CA). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1043719099
- Provider Name
- MATTHEW ARELLANO BA, MS, BCBA
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1225 W 190TH ST STE 250 GARDENA, CA 90248
- Location Phone
- (310) 878-3949
- Mailing Address
- 1225 W 190TH ST STE 250 GARDENA, CA 90248
- Mailing Phone
- (310) 878-3949
- Is Sole Proprietor?
- No
- Enumeration Date
- 02-06-2018
- Last Update Date
- 06-30-2026
- Code Navigator
Location Map
Secondary Locations
- 23842 Hawthorne Blvd Ste 100&101
Torrance, CA 90505
(424) 999-2990
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Behavior Analyst
- Taxonomy Code
- 103K00000X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 1-21-52817
- License State
- CA
- Taxonomy Description
- A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 106S00000X | Behavioral Health & Social Service Providers | Behavior Technician | 00003054 (CA) |
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NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1043719099, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 61 is 70. The difference is the calculated check digit.
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The following 20 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1043719099, enumerated as an "individual" on February 06, 2018.
The provider is located at 1225 W 190TH ST STE 250 GARDENA, CA 90248 and the phone number is (310) 878-3949.
Behavior Analyst with taxonomy code 103K00000X.
