William Martinez, MSW
NPI 1801199856 · Clinical Social Worker · North Hollywood, CA
William Martinez, MSW is a Clinical Social Worker provider in North Hollywood, CA (NPI 1801199856).
Provider details
- NPI number
- 1801199856
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- LCSW66399 (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
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 19700 S Vermont Ave Ste 250Torrance, CA 90502-1134Phone: (213) 252-5801Fax: (213) 252-5870
Registry dates
- Enumerated
- 2010-12-14
- Last updated
- 2018-07-18
Frequently asked questions
- What is William Martinez's NPI number?
- William Martinez's National Provider Identifier (NPI) is 1801199856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Martinez's specialty?
- William Martinez is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Martinez located?
- William Martinez's practice location on file with NPPES is 6736 Laurel Canyon Blvd Ste 200, North Hollywood, CA 91606.
- What is William Martinez's phone number?
- The practice phone number listed in the NPPES registry for William Martinez is (818) 755-8784.
- Is William Martinez's NPI active?
- Yes — William Martinez's NPI (1801199856) is active in the NPPES registry as of the last update on 2018-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.