What is Ruth Castro's NPI number?

Ruth Castro's National Provider Identifier (NPI) is 1578200416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ruth Castro's specialty?

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

Where is Ruth Castro located?

Ruth Castro's practice location on file with NPPES is 3727 W 6th St Ste 402, Los Angeles, CA 90020-5112.

What is Ruth Castro's phone number?

The practice phone number listed in the NPPES registry for Ruth Castro is (213) 365-7400.

Is Ruth Castro's NPI active?

Yes — Ruth Castro's NPI (1578200416) is active in the NPPES registry as of the last update on 2025-04-22.

IndividualActive

Ruth Castro

NPI 1578200416 · Social Worker · Los Angeles, CA

Ruth Castro is a Social Worker provider in Los Angeles, CA (NPI 1578200416).

Provider details

NPI number: 1578200416
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 99769 (CA)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 99769 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(60/100 index)

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

Registry tenure38% of score
4 yrs 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.

Practice location

3727 W 6th St Ste 402

Los Angeles, CA 90020-5112

Phone: (213) 365-7400

Fax: (213) 365-7400

Street-level locationGet directions

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Mailing address