IndividualActive
Efren Monterroso
NPI 1982002044 · Social Worker · Sylmar, CA
Efren Monterroso is a Social Worker provider in Sylmar, CA (NPI 1982002044).
Provider details
- NPI number
- 1982002044
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(68/100 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
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
11300 Foothill Blvd Unit 78
Sylmar, CA 91342-6722
Phone: (818) 899-4954
Street-level locationGet directions
Mailing address
11300 Foothill Blvd Unit 78
Sylmar, CA 91342-6722
Registry dates
- Enumerated
- 2014-12-05
- Last updated
- 2014-12-05
Frequently asked questions
- What is Efren Monterroso's NPI number?
- Efren Monterroso's National Provider Identifier (NPI) is 1982002044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Efren Monterroso's specialty?
- Efren Monterroso is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Efren Monterroso located?
- Efren Monterroso's practice location on file with NPPES is 11300 Foothill Blvd Unit 78, Sylmar, CA 91342-6722.
- What is Efren Monterroso's phone number?
- The practice phone number listed in the NPPES registry for Efren Monterroso is (818) 899-4954.
- Is Efren Monterroso's NPI active?
- Yes — Efren Monterroso's NPI (1982002044) is active in the NPPES registry as of the last update on 2014-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.