Matthew Arellano, BA, MS, BCBA
NPI 1043719099 · Behavior Analyst · Torrance, CA
Matthew Arellano, BA, MS, BCBA is a Behavior Analyst provider in Torrance, CA (NPI 1043719099).
Provider details
- NPI number
- 1043719099
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Credential
- BA, MS, BCBA
- Sex
- Male
- Sole proprietor
- No
- License
- 00003054 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 1601 Ca-1Suite 175Hermosa Beach, CA 90254-3213Phone: (213) 320-7037
Registry dates
- Enumerated
- 2018-02-06
- Last updated
- 2021-10-05
- Certified
- 2021-09-21
Frequently asked questions
- What is Matthew Arellano's NPI number?
- Matthew Arellano's National Provider Identifier (NPI) is 1043719099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Arellano's specialty?
- Matthew Arellano is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Matthew Arellano located?
- Matthew Arellano's practice location on file with NPPES is 23842 Hawthorne Blvd Ste 100&101, Torrance, CA 90505-5929.
- What is Matthew Arellano's phone number?
- The practice phone number listed in the NPPES registry for Matthew Arellano is (424) 999-2990.
- Is Matthew Arellano's NPI active?
- Yes — Matthew Arellano's NPI (1043719099) is active in the NPPES registry as of the last update on 2021-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.