What is Sylvia Castro's NPI number?

Sylvia Castro's National Provider Identifier (NPI) is 1003603580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sylvia Castro's specialty?

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

Where is Sylvia Castro located?

Sylvia Castro's practice location on file with NPPES is 396 N Magnolia Ave, El Cajon, CA 92020-3908.

What is Sylvia Castro's phone number?

The practice phone number listed in the NPPES registry for Sylvia Castro is (858) 264-5858.

Is Sylvia Castro's NPI active?

Yes — Sylvia Castro's NPI (1003603580) is active in the NPPES registry as of the last update on 2025-04-21.

IndividualActive

Sylvia Castro

NPI 1003603580 · Behavior Technician · El Cajon, CA

Sylvia Castro is a Behavior Technician provider in El Cajon, CA (NPI 1003603580).

Provider details

NPI number: 1003603580
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 25-429472 (CA)

Practice location

396 N Magnolia Ave

El Cajon, CA 92020-3908

Phone: (858) 264-5858

Fax: (858) 649-6012

Street-level locationGet directions

More CA providers

Mailing address

954 Ellen Ln

El Cajon, CA 92019-3413

Specialties & taxonomies

Behavior TechnicianPrimary106S00000XLicense 25-429472 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(55/100 index)

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

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
100% 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.

Enumerated: 2025-04-21
Last updated: 2025-04-21
Certified: 2025-04-21

Frequently asked questions

What is Sylvia Castro's NPI number?: Sylvia Castro's National Provider Identifier (NPI) is 1003603580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Sylvia Castro's specialty?: Sylvia Castro is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
Where is Sylvia Castro located?: Sylvia Castro's practice location on file with NPPES is 396 N Magnolia Ave, El Cajon, CA 92020-3908.
What is Sylvia Castro's phone number?: The practice phone number listed in the NPPES registry for Sylvia Castro is (858) 264-5858.
Is Sylvia Castro's NPI active?: Yes — Sylvia Castro's NPI (1003603580) is active in the NPPES registry as of the last update on 2025-04-21.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions