What is William Mendez's NPI number?

William Mendez's National Provider Identifier (NPI) is 1083542245, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Mendez's specialty?

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

Where is William Mendez located?

William Mendez's practice location on file with NPPES is 2625 Townsgate Rd Ste 102, Westlake Village, CA 91361-5726.

What is William Mendez's phone number?

The practice phone number listed in the NPPES registry for William Mendez is (805) 413-3009.

Is William Mendez's NPI active?

Yes — William Mendez's NPI (1083542245) is active in the NPPES registry as of the last update on 2026-05-09.

IndividualActive

William Mendez

NPI 1083542245 · Behavior Technician · Westlake Village, CA

William Mendez is a Behavior Technician provider in Westlake Village, CA (NPI 1083542245).

Provider details

NPI number: 1083542245
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes

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

2625 Townsgate Rd Ste 102

Westlake Village, CA 91361-5726

Phone: (805) 413-3009

Street-level locationGet directions

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Mailing address