IndividualActive
Maritza Castillo, MSW, L CSW
NPI 1366858839 · Social Worker · Alhambra, CA
Maritza Castillo, MSW, L CSW is a Social Worker provider in Alhambra, CA (NPI 1366858839).
Provider details
- NPI number
- 1366858839
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, L CSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCSW61789 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
2509 Poplar Blvd
Alhambra, CA 91801-3063
Phone: (626) 484-1770
Street-level locationGet directions
Mailing address
2509 Poplar Blvd
Alhambra, CA 91801-3063
Registry dates
- Enumerated
- 2014-07-06
- Last updated
- 2014-07-06
Frequently asked questions
- What is Maritza Castillo's NPI number?
- Maritza Castillo's National Provider Identifier (NPI) is 1366858839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maritza Castillo's specialty?
- Maritza Castillo is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Maritza Castillo located?
- Maritza Castillo's practice location on file with NPPES is 2509 Poplar Blvd, Alhambra, CA 91801-3063.
- What is Maritza Castillo's phone number?
- The practice phone number listed in the NPPES registry for Maritza Castillo is (626) 484-1770.
- Is Maritza Castillo's NPI active?
- Yes — Maritza Castillo's NPI (1366858839) is active in the NPPES registry as of the last update on 2014-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.