What is Sydney Williams's NPI number?

Sydney Williams's National Provider Identifier (NPI) is 1891599742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sydney Williams's specialty?

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

Where is Sydney Williams located?

Sydney Williams's practice location on file with NPPES is 1600 W Chandler Blvd, Chandler, AZ 85224-6153.

What is Sydney Williams's phone number?

The practice phone number listed in the NPPES registry for Sydney Williams is (480) 427-0122.

Is Sydney Williams's NPI active?

Yes — Sydney Williams's NPI (1891599742) is active in the NPPES registry as of the last update on 2025-11-05.

IndividualActive

Sydney Williams, LCSW

NPI 1891599742 · Social Worker · Chandler, AZ

Sydney Williams, LCSW is a Social Worker provider in Chandler, AZ (NPI 1891599742).

Provider details

NPI number: 1891599742
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW
Sex: Female
Sole proprietor: No
License: LCSW-23411 (AZ)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense LCSW-23411 (AZ)
Behavioral Health & Social Service Providers

Profile Score

Established profile(55/100 index)

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

Registry tenure38% of score
1 yr 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

1600 W Chandler Blvd

Chandler, AZ 85224-6153

Phone: (480) 427-0122

Street-level locationGet directions

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Mailing address