What is Mahal Williams's NPI number?

Mahal Williams's National Provider Identifier (NPI) is 1205764685, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mahal Williams's specialty?

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

Where is Mahal Williams located?

Mahal Williams's practice location on file with NPPES is 710 S Broadway Ste 100, Walnut Creek, CA 94596-5228.

What is Mahal Williams's phone number?

The practice phone number listed in the NPPES registry for Mahal Williams is (925) 968-8648.

Is Mahal Williams's NPI active?

Yes — Mahal Williams's NPI (1205764685) is active in the NPPES registry as of the last update on 2026-05-13.

IndividualActive

Mahal Williams

NPI 1205764685 · Behavior Technician · Walnut Creek, CA

Mahal Williams is a Behavior Technician provider in Walnut Creek, CA (NPI 1205764685).

Provider details

NPI number: 1205764685
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(46/100 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

710 S Broadway Ste 100

Walnut Creek, CA 94596-5228

Phone: (925) 968-8648

Street-level locationGet directions

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Mailing address