Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

HAYLEY LYNN PRINSTEIN
NPI 1447171079
Assistant Behavior Analyst in Ontario, CA

Active since July 21, 2026
4688 ONTARIO MILLS PKWY, ONTARIO, CA 91764(949) 594-6582 Get Directions Write a Review

NPPES record added: July 21, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Hayley Lynn Prinstein NPPES

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

HAYLEY LYNN PRINSTEIN (NPI 1447171079) is an individual assistant behavior analyst provider in Ontario, California and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1447171079
Entity TypeIndividualFemale
Primary Taxonomy106E00000X
Provider Legal NameHAYLEY LYNN PRINSTEIN
Location Address4688 ONTARIO MILLS PKWYOntario, CA 91764-5104
Mailing Address4688 Ontario Mills PkwyOntario, CA 91764-5104
Sole ProprietorNo
Enumeration DateJuly 21, 2026
NPPES CertifiedJuly 21, 2026
NPI 1447171079 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAssistant Behavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code106E00000X
Definition

An assistant behavior analyst is qualified by Behavior Analyst Certification Board certification and/or a state-issued license or credential in behavior analysis to practice under the supervision of an appropriately credentialed professional behavior analyst. An assistant behavior analyst delivers services consistent with the dimensions of applied behavior analysis and supervision requirements defined in state laws or regulations and/or national certification standards. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing behavior-analytic treatment plans, training and supervising others in implementation of components of treatment plans, and direct implementation of treatment plans.

4688 ONTARIO MILLS PKWY, Ontario, CA 91764

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.

Behavior Technician
4688 ONTARIO MILLS PKWY
ONTARIO, CA 91764
Behavior Technician
4688 ONTARIO MILLS PKWY
ONTARIO, CA 91764
Speech-Language Pathologist
4688 ONTARIO MILLS PKWY
ONTARIO, CA 91764
Assistant Behavior Analyst
4688 ONTARIO MILLS PKWY
ONTARIO, CA 91764
Behavior Analyst
4688 ONTARIO MILLS PKWY
ONTARIO, CA 91764
Assistant Behavior Analyst
4688 ONTARIO MILLS PKWY
ONTARIO, CA 91764
Assistant Behavior Analyst
4688 ONTARIO MILLS PKWY
ONTARIO, CA 91764
Behavior Technician
4688 ONTARIO MILLS PKWY
ONTARIO, CA 91764

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Hayley Prinstein's NPI number?

The NPI number for Hayley Prinstein is 1447171079. It was assigned to this individual provider in the NPPES registry on July 21, 2026.

Where is Hayley Prinstein located?

Hayley Prinstein practices at 4688 Ontario Mills Pkwy, Ontario, CA 91764. The listed phone number is (949) 594-6582.

What is Hayley Prinstein's specialty?

The primary specialty registered for this NPI is Assistant Behavior Analyst with taxonomy code 106E00000X.

When was this NPI record last updated?

The NPPES record for Hayley Prinstein was last updated on July 21, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.