Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

AYA DEIF
NPI 1255970752
Behavior Analyst in Irvine, CA

Q: What is Aya Deif's NPI number?

The NPI number for Aya Deif is 1255970752. It was assigned to this individual provider in the NPPES registry on December 31, 2019.

Q: What is Aya Deif's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

Q: When was this NPI record last updated?

The NPPES record for Aya Deif was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 31, 2019

16782 VON KARMAN AVE STE 11, IRVINE, CA 92606(949) 833-2237 Get Directions Write a Review

NPPES record last updated: October 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 8, 2026, Dec 5, 2023, Dec 31, 2019 (3 updates tracked since 2019).

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About Aya Deif NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AYA DEIF (NPI 1255970752) is an individual behavior analyst provider in Irvine, California and active in the NPI registry since December 2019.

NPPES Registry Identity

NPI1255970752

Entity TypeIndividualFemale

Primary Taxonomy103K00000X

Provider Legal NameAYA DEIF

Location Address16782 VON KARMAN AVE STE 11Irvine, CA 92606-2417

Mailing AddressPo Box 740780Atlanta, GA 30374-0780 · (855) 223-7123 · Fax (619) 374-7134

Phone(949) 833-2237

Sole ProprietorNo

Enumeration DateDecember 31, 2019

Last NPPES UpdateOctober 8, 20263 updates tracked since enumeration

NPPES CertifiedOctober 8, 2026

✔ NPI 1255970752 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers

Taxonomy Code103K00000X

Definition

A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.

16782 VON KARMAN AVE STE 11, Irvine, CA 92606

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PAIGE FRIDAY

Behavior Technician