What is Clara Zak's NPI number?

Clara Zak's National Provider Identifier (NPI) is 1619822921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Clara Zak's specialty?

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

Where is Clara Zak located?

Clara Zak's practice location on file with NPPES is 3186 Airway Ave Ste a, Costa Mesa, CA 92626-4650.

What is Clara Zak's phone number?

The practice phone number listed in the NPPES registry for Clara Zak is (714) 881-0427.

Is Clara Zak's NPI active?

Yes — Clara Zak's NPI (1619822921) is active in the NPPES registry as of the last update on 2026-03-02.

IndividualActive

Clara Zak

NPI 1619822921 · Behavior Technician · Costa Mesa, CA

Clara Zak is a Behavior Technician provider in Costa Mesa, CA (NPI 1619822921).

Provider details

NPI number: 1619822921
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

3186 Airway Ave Ste a

Costa Mesa, CA 92626-4650

Phone: (714) 881-0427

Street-level locationGet directions

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Mailing address