What is Sofia Williams's NPI number?

Sofia Williams's National Provider Identifier (NPI) is 1245881234, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sofia Williams's specialty?

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

Where is Sofia Williams located?

Sofia Williams's practice location on file with NPPES is 224 Cascade Dr, Mill Valley, CA 94941-1757.

What is Sofia Williams's phone number?

The practice phone number listed in the NPPES registry for Sofia Williams is (310) 407-9365.

Is Sofia Williams's NPI active?

Yes — Sofia Williams's NPI (1245881234) is active in the NPPES registry as of the last update on 2019-09-22.

IndividualActive

Sofia Williams

NPI 1245881234 · Behavior Technician · Mill Valley, CA

Sofia Williams is a Behavior Technician provider in Mill Valley, CA (NPI 1245881234).

Provider details

NPI number: 1245881234
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: Y3305732 (CA)

Specialties & taxonomies

Behavior TechnicianPrimary106S00000XLicense Y3305732 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(65/100 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
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

224 Cascade Dr

Mill Valley, CA 94941-1757

Phone: (310) 407-9365

Street-level locationGet directions

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Mailing address