IndividualActive
William Martinez Jr
NPI 1578275533 · Behavior Technician · San Mateo, CA
William Martinez Jr is a Behavior Technician provider in San Mateo, CA (NPI 1578275533).
Provider details
- NPI number
- 1578275533
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
1900 S Norfolk St Ste 205
San Mateo, CA 94403-1184
Phone: (650) 242-0179
Street-level locationGet directions
Mailing address
1900 S Norfolk St Ste 205
San Mateo, CA 94403-1184
Registry dates
- Enumerated
- 2022-12-21
- Last updated
- 2022-12-21
- Certified
- 2022-12-21
Frequently asked questions
- What is William Martinez Jr's NPI number?
- William Martinez Jr's National Provider Identifier (NPI) is 1578275533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Martinez Jr's specialty?
- William Martinez Jr is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is William Martinez Jr located?
- William Martinez Jr's practice location on file with NPPES is 1900 S Norfolk St Ste 205, San Mateo, CA 94403-1184.
- What is William Martinez Jr's phone number?
- The practice phone number listed in the NPPES registry for William Martinez Jr is (650) 242-0179.
- Is William Martinez Jr's NPI active?
- Yes — William Martinez Jr's NPI (1578275533) is active in the NPPES registry as of the last update on 2022-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.