What is Lastarr Lang's NPI number?

Lastarr Lang's National Provider Identifier (NPI) is 1538024633, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lastarr Lang's specialty?

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

Where is Lastarr Lang located?

Lastarr Lang's practice location on file with NPPES is 4688 Ontario Mills Pkwy, Ontario, CA 91764-5104.

What is Lastarr Lang's phone number?

The practice phone number listed in the NPPES registry for Lastarr Lang is (714) 834-1111.

Is Lastarr Lang's NPI active?

Yes — Lastarr Lang's NPI (1538024633) is active in the NPPES registry as of the last update on 2025-12-20.

IndividualActive

Lastarr Lang

NPI 1538024633 · Behavior Technician · Ontario, CA

Lastarr Lang is a Behavior Technician provider in Ontario, CA (NPI 1538024633).

Provider details

NPI number: 1538024633
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(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

4688 Ontario Mills Pkwy

Ontario, CA 91764-5104

Phone: (714) 834-1111

Street-level locationGet directions

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Mailing address