What is Darya Efimov's NPI number?

Darya Efimov's National Provider Identifier (NPI) is 1053274449, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Darya Efimov's specialty?

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

Where is Darya Efimov located?

Darya Efimov's practice location on file with NPPES is 1101 S Winchester Blvd # B-1101, San Jose, CA 95128-3901.

What is Darya Efimov's phone number?

The practice phone number listed in the NPPES registry for Darya Efimov is (408) 484-1028.

Is Darya Efimov's NPI active?

Yes — Darya Efimov's NPI (1053274449) is active in the NPPES registry as of the last update on 2025-12-03.

IndividualActive

Darya Efimov

NPI 1053274449 · Behavior Technician · San Jose, CA

Darya Efimov is a Behavior Technician provider in San Jose, CA (NPI 1053274449).

Provider details

NPI number: 1053274449
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

1101 S Winchester Blvd # B-1101

San Jose, CA 95128-3901

Phone: (408) 484-1028

Street-level locationGet directions

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Mailing address