What is Alexander Sey's NPI number?

Alexander Sey's National Provider Identifier (NPI) is 1265391031, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Alexander Sey's specialty?

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

Where is Alexander Sey located?

Alexander Sey's practice location on file with NPPES is 8022 La Monte Rd, Stanton, CA 90680-3626.

What is Alexander Sey's phone number?

The practice phone number listed in the NPPES registry for Alexander Sey is (833) 922-2669.

Is Alexander Sey's NPI active?

Yes — Alexander Sey's NPI (1265391031) is active in the NPPES registry as of the last update on 2026-01-19.

IndividualActive

Alexander Sey

NPI 1265391031 · Behavior Technician · Stanton, CA

Alexander Sey is a Behavior Technician provider in Stanton, CA (NPI 1265391031).

Provider details

NPI number: 1265391031
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

8022 La Monte Rd

Stanton, CA 90680-3626

Phone: (833) 922-2669

Street-level locationGet directions

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Mailing address