What is Darrel Castillo's NPI number?

Darrel Castillo's National Provider Identifier (NPI) is 1740112473, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Darrel Castillo's specialty?

Darrel Castillo is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Darrel Castillo located?

Darrel Castillo's practice location on file with NPPES is 2565 W Glenhaven Ave, Anaheim, CA 92801-3137.

What is Darrel Castillo's phone number?

The practice phone number listed in the NPPES registry for Darrel Castillo is (714) 514-0758.

Is Darrel Castillo's NPI active?

Yes — Darrel Castillo's NPI (1740112473) is active in the NPPES registry as of the last update on 2026-05-29.

IndividualActive

Darrel Castillo

NPI 1740112473 · Behavior Technician · Anaheim, CA

Darrel Castillo is a Behavior Technician provider in Anaheim, CA (NPI 1740112473).

Provider details

NPI number: 1740112473
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(46/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

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

2565 W Glenhaven Ave

Anaheim, CA 92801-3137

Phone: (714) 514-0758

Street-level locationGet directions

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Mailing address