What is Lesley Nguyen's NPI number?

Lesley Nguyen's National Provider Identifier (NPI) is 1023900891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lesley Nguyen's specialty?

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

Where is Lesley Nguyen located?

Lesley Nguyen's practice location on file with NPPES is 1820 W Orangewood Ave Ste 110, Orange, CA 92868-5056.

What is Lesley Nguyen's phone number?

The practice phone number listed in the NPPES registry for Lesley Nguyen is (714) 696-2862.

Is Lesley Nguyen's NPI active?

Yes — Lesley Nguyen's NPI (1023900891) is active in the NPPES registry as of the last update on 2025-07-16.

IndividualActive

Lesley Nguyen

NPI 1023900891 · Behavior Technician · Orange, CA

Lesley Nguyen is a Behavior Technician provider in Orange, CA (NPI 1023900891).

Provider details

NPI number: 1023900891
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(48/100 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

1820 W Orangewood Ave Ste 110

Orange, CA 92868-5056

Phone: (714) 696-2862

Fax: (714) 242-9308

Street-level locationGet directions

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Mailing address