What is Leslie Castillo's NPI number?

Leslie Castillo's National Provider Identifier (NPI) is 1750235651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Leslie Castillo's specialty?

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

Where is Leslie Castillo located?

Leslie Castillo's practice location on file with NPPES is 1274 Center Court Dr Ste 211, Covina, CA 91724-3668.

What is Leslie Castillo's phone number?

The practice phone number listed in the NPPES registry for Leslie Castillo is (626) 339-4999.

Is Leslie Castillo's NPI active?

Yes — Leslie Castillo's NPI (1750235651) is active in the NPPES registry as of the last update on 2026-02-26.

IndividualActive

Leslie Castillo

NPI 1750235651 · Behavior Technician · Covina, CA

Leslie Castillo is a Behavior Technician provider in Covina, CA (NPI 1750235651).

Provider details

NPI number: 1750235651
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 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

1274 Center Court Dr Ste 211

Covina, CA 91724-3668

Phone: (626) 339-4999

Street-level locationGet directions

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Mailing address

1274 Center Court Dr