What is Darwin Williams's NPI number?

Darwin Williams's National Provider Identifier (NPI) is 1063277556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Darwin Williams's specialty?

Darwin Williams is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Darwin Williams located?

Darwin Williams's practice location on file with NPPES is 4688 Ontario Mills Pkwy, Ontario, CA 91764-5104.

What is Darwin Williams's phone number?

The practice phone number listed in the NPPES registry for Darwin Williams is (714) 834-1111.

Is Darwin Williams's NPI active?

Yes — Darwin Williams's NPI (1063277556) is active in the NPPES registry as of the last update on 2024-02-15.

IndividualActive

Darwin Williams

NPI 1063277556 · Behavior Technician · Ontario, CA

Darwin Williams is a Behavior Technician provider in Ontario, CA (NPI 1063277556).

Provider details

NPI number: 1063277556
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No
License: 870085 (CA)

Specialties & taxonomies

Behavior TechnicianPrimary106S00000XLicense 870085 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(57/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
2 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

4688 Ontario Mills Pkwy

Ontario, CA 91764-5104

Phone: (714) 834-1111

Street-level locationGet directions

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Mailing address