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Joshua Williams
NPI 1578193413 · Behavior Technician · Hayward, CA
Joshua Williams is a Behavior Technician provider in Hayward, CA (NPI 1578193413).
Provider details
- NPI number
- 1578193413
- 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(58/100 index)
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
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
1180 B St
Hayward, CA 94541-4202
Phone: (925) 239-9640
Street-level locationGet directions
Mailing address
16782 Von Karman Ave Ste 11
Irvine, CA 92606-2417
Registry dates
- Enumerated
- 2020-01-20
- Last updated
- 2020-01-20
- Certified
- 2020-01-20
Frequently asked questions
- What is Joshua Williams's NPI number?
- Joshua Williams's National Provider Identifier (NPI) is 1578193413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Williams's specialty?
- Joshua Williams is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Joshua Williams located?
- Joshua Williams's practice location on file with NPPES is 1180 B St, Hayward, CA 94541-4202.
- What is Joshua Williams's phone number?
- The practice phone number listed in the NPPES registry for Joshua Williams is (925) 239-9640.
- Is Joshua Williams's NPI active?
- Yes — Joshua Williams's NPI (1578193413) is active in the NPPES registry as of the last update on 2020-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.