SYDNEY MCKENZIE KEYNER
NPI 1023670643
Behavior Analyst in Ontario, CA

Q: What is Sydney Keyner's NPI number?

The NPI number for Sydney Keyner is 1023670643. It was assigned to this individual provider in the NPPES registry on July 3, 2019.

Q: What is Sydney Keyner'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 Sydney Keyner was last updated on June 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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 July 03, 2019

3257 E GUASTI RD STE 210, ONTARIO, CA 91761(866) 727-8274 Get Directions Write a Review

NPPES record last updated: June 9, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 9, 2025, Jul 3, 2019 (2 updates tracked since 2019).

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About Sydney Mckenzie Keyner NPPES

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

SYDNEY MCKENZIE KEYNER (NPI 1023670643) is an individual behavior analyst provider in Ontario, California and active in the NPI registry since July 2019.

NPPES Registry Identity

NPI1023670643

Entity TypeIndividualFemale

Primary Taxonomy103K00000X

Provider Legal NameSYDNEY MCKENZIE KEYNER

Location Address3257 E GUASTI RD STE 210Ontario, CA 91761-1235

Mailing Address3257 E Guasti Rd Ste 210Ontario, CA 91761-1235 · (866) 727-8274

Phone(866) 727-8274

Sole ProprietorNo

Enumeration DateJuly 3, 2019

Last NPPES UpdateJune 9, 20252 updates tracked since enumeration

NPPES CertifiedJune 9, 2025

✔ NPI 1023670643 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.

3257 E GUASTI RD STE 210, Ontario, CA 91761

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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.

MARIA LOPEZ

Behavior Technician