Catherine Castillo
NPI 1588155170 · Clinical Social Worker · Garden Grove, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Castillo is a Clinical Social Worker provider in Garden Grove, CA (NPI 1588155170).
Provider details
- NPI number
- 1588155170
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 22022 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
Mailing address
Registry dates
- Enumerated
- 2018-05-20
- Last updated
- 2018-05-20
Frequently asked questions
- What is Catherine Castillo's NPI number?
- Catherine Castillo's National Provider Identifier (NPI) is 1588155170, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Castillo's specialty?
- Catherine Castillo is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Catherine Castillo located?
- Catherine Castillo's practice location on file with NPPES is 11301 Acacia Pkwy, Garden Grove, CA 92840-5310.
- What is Catherine Castillo's phone number?
- The practice phone number listed in the NPPES registry for Catherine Castillo is (714) 741-5895.
- Does Catherine Castillo accept Medicare?
- Catherine Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Castillo's NPI active?
- Yes — Catherine Castillo's NPI (1588155170) is active in the NPPES registry as of the last update on 2018-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.