What is Nathalie Deir's NPI number?

Nathalie Deir's National Provider Identifier (NPI) is 1669040382, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Nathalie Deir's specialty?

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

Where is Nathalie Deir located?

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

What is Nathalie Deir's phone number?

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

Is Nathalie Deir's NPI active?

Yes — Nathalie Deir's NPI (1669040382) is active in the NPPES registry as of the last update on 2026-02-05.

IndividualActive

Nathalie Deir

NPI 1669040382 · Behavior Technician · Costa Mesa, CA

Nathalie Deir is a Behavior Technician provider in Costa Mesa, CA (NPI 1669040382).

Provider details

NPI number: 1669040382
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

Established profile(56/100 index)

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

Registry tenure38% of score
5 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

3186 Airway Ave Ste a

Costa Mesa, CA 92626-4650

Phone: (714) 881-0427

Street-level locationGet directions

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Mailing address