Martha Mateo, LCSW
NPI 1215584974 · Clinical Social Worker · Los Angeles, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martha Mateo, LCSW is a Clinical Social Worker provider in Los Angeles, CA (NPI 1215584974).
Provider details
- NPI number
- 1215584974
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- LCSW122431 (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
6 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
- 2019-08-19
- Last updated
- 2026-01-13
- Certified
- 2026-01-13
Frequently asked questions
- What is Martha Mateo's NPI number?
- Martha Mateo's National Provider Identifier (NPI) is 1215584974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Mateo's specialty?
- Martha Mateo is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Martha Mateo located?
- Martha Mateo's practice location on file with NPPES is 1414 S Grand Ave Ste 380, Los Angeles, CA 90015-3072.
- What is Martha Mateo's phone number?
- The practice phone number listed in the NPPES registry for Martha Mateo is (213) 743-9000.
- Does Martha Mateo accept Medicare?
- Martha Mateo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martha Mateo's NPI active?
- Yes — Martha Mateo's NPI (1215584974) is active in the NPPES registry as of the last update on 2026-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.