What is David Leon's NPI number?

David Leon's National Provider Identifier (NPI) is 1083266134, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is David Leon's specialty?

David Leon is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is David Leon located?

David Leon's practice location on file with NPPES is 1100 W Town and Country Rd Ste 1250, Orange, CA 92868-4633.

What is David Leon's phone number?

The practice phone number listed in the NPPES registry for David Leon is (657) 331-4551.

Is David Leon's NPI active?

Yes — David Leon's NPI (1083266134) is active in the NPPES registry as of the last update on 2022-08-05.

IndividualActive

David Leon

NPI 1083266134 · Behavior Analyst · Orange, CA

David Leon is a Behavior Analyst provider in Orange, CA (NPI 1083266134).

Provider details

NPI number: 1083266134
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Behavior AnalystPrimary103K00000X
Behavioral Health & Social Service Providers
Behavior Technician106S00000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(59/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
6 yrs in NPPES 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

1100 W Town and Country Rd Ste 1250

Orange, CA 92868-4633

Phone: (657) 331-4551

Street-level locationGet directions

More CA providers

Mailing address

15701 Tustin Village Way Apt F8

Tustin, CA 92780-4911

Enumerated: 2019-07-09
Last updated: 2022-08-05
Certified: 2022-08-05

Frequently asked questions

What is David Leon's NPI number?: David Leon's National Provider Identifier (NPI) is 1083266134, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is David Leon's specialty?: David Leon is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
Where is David Leon located?: David Leon's practice location on file with NPPES is 1100 W Town and Country Rd Ste 1250, Orange, CA 92868-4633.
What is David Leon's phone number?: The practice phone number listed in the NPPES registry for David Leon is (657) 331-4551.
Is David Leon's NPI active?: Yes — David Leon's NPI (1083266134) is active in the NPPES registry as of the last update on 2022-08-05.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.