What is Gary Williams's NPI number?

Gary Williams's National Provider Identifier (NPI) is 1134070865, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gary Williams's specialty?

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

Where is Gary Williams located?

Gary Williams's practice location on file with NPPES is 47 Aliento, Rancho Santa Margarita, CA 92688-1128.

What is Gary Williams's phone number?

The practice phone number listed in the NPPES registry for Gary Williams is (949) 773-8172.

Is Gary Williams's NPI active?

Yes — Gary Williams's NPI (1134070865) is active in the NPPES registry as of the last update on 2026-02-09.

IndividualActive

Gary Williams

NPI 1134070865 · Behavior Technician · Rancho Santa Margarita, CA

Gary Williams is a Behavior Technician provider in Rancho Santa Margarita, CA (NPI 1134070865).

Provider details

NPI number: 1134070865
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 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

47 Aliento

Rancho Santa Margarita, CA 92688-1128

Phone: (949) 773-8172

Street-level locationGet directions

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Mailing address