IndividualActive
Vivian Williams
NPI 1689557944 · Behavior Technician · Rancho Cucamonga, CA
Vivian Williams is a Behavior Technician provider in Rancho Cucamonga, CA (NPI 1689557944).
Provider details
- NPI number
- 1689557944
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(48/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
11799 Sebastian Way Ste 103
Rancho Cucamonga, CA 91730-0708
Phone: (909) 353-7547
Street-level locationGet directions
Mailing address
1418 Lanfair St
Redlands, CA 92374-4718
Registry dates
- Enumerated
- 2025-07-25
- Last updated
- 2025-07-25
- Certified
- 2025-07-25
Frequently asked questions
- What is Vivian Williams's NPI number?
- Vivian Williams's National Provider Identifier (NPI) is 1689557944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Williams's specialty?
- Vivian Williams is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Vivian Williams located?
- Vivian Williams's practice location on file with NPPES is 11799 Sebastian Way Ste 103, Rancho Cucamonga, CA 91730-0708.
- What is Vivian Williams's phone number?
- The practice phone number listed in the NPPES registry for Vivian Williams is (909) 353-7547.
- Is Vivian Williams's NPI active?
- Yes — Vivian Williams's NPI (1689557944) is active in the NPPES registry as of the last update on 2025-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.