What is Blanca Castillo's NPI number?

Blanca Castillo's National Provider Identifier (NPI) is 1831089242, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Blanca Castillo's specialty?

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

Where is Blanca Castillo located?

Blanca Castillo's practice location on file with NPPES is 1203 8th St, Oakland, CA 94607-2164.

What is Blanca Castillo's phone number?

The practice phone number listed in the NPPES registry for Blanca Castillo is (510) 205-0545.

Is Blanca Castillo's NPI active?

Yes — Blanca Castillo's NPI (1831089242) is active in the NPPES registry as of the last update on 2025-07-07.

IndividualActive

Blanca Castillo

NPI 1831089242 · Behavior Technician · Oakland, CA

Blanca Castillo is a Behavior Technician provider in Oakland, CA (NPI 1831089242).

Provider details

NPI number: 1831089242
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(48/100 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

1203 8th St

Oakland, CA 94607-2164

Phone: (510) 205-0545

Street-level locationGet directions

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Mailing address