What is Greta Zapien's NPI number?

Greta Zapien's National Provider Identifier (NPI) is 1538958558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Greta Zapien's specialty?

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

Where is Greta Zapien located?

Greta Zapien's practice location on file with NPPES is 4401 Crenshaw Blvd Ste 215, Los Angeles, CA 90043-1200.

What is Greta Zapien's phone number?

The practice phone number listed in the NPPES registry for Greta Zapien is (323) 291-7100.

Is Greta Zapien's NPI active?

Yes — Greta Zapien's NPI (1538958558) is active in the NPPES registry as of the last update on 2025-05-05.

IndividualActive

Greta Zapien

NPI 1538958558 · Behavior Technician · Los Angeles, CA

Greta Zapien is a Behavior Technician provider in Los Angeles, CA (NPI 1538958558).

Provider details

NPI number: 1538958558
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
1 yr 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

4401 Crenshaw Blvd Ste 215

Los Angeles, CA 90043-1200

Phone: (323) 291-7100

Street-level locationGet directions

More CA providers

Mailing address