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

SYDNEY SHANEL STEWART
NPI 1114356797
Assistant Behavior Analyst in Ontario, CA

Q: What is Sydney Stewart's NPI number?

The NPI number for Sydney Stewart is 1114356797. It was assigned to this individual provider in the NPPES registry on November 5, 2013.

Q: What is Sydney Stewart's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sydney Stewart was last updated on June 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 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 November 05, 2013

2990 INLAND EMPIRE BLVD STE 100&101, ONTARIO, CA 91764(909) 295-8692 Get Directions Write a Review

NPPES record last updated: June 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Sydney Shanel Stewart NPPES

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

SYDNEY SHANEL STEWART (NPI 1114356797) is an individual assistant behavior analyst provider in Ontario, California, licensed in California (1114356797) and active in the NPI registry since November 2013. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1114356797

Entity TypeIndividualFemale

Primary Taxonomy106E00000X

Provider Legal NameSYDNEY SHANEL STEWART

Location Address2990 INLAND EMPIRE BLVD STE 100&101Ontario, CA 91764-4899

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

Phone(909) 295-8692

Sole ProprietorYes

Enumeration DateNovember 5, 2013

Last NPPES UpdateJune 16, 2026

NPPES CertifiedJune 16, 2026

✔ NPI 1114356797 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAssistant Behavior AnalystBehavioral Health & Social Service Providers

Taxonomy Code106E00000X

License✔ Licensed in CA · 1114356797

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.

Also ListedCounselorTaxonomy 101Y00000X

2990 INLAND EMPIRE BLVD STE 100&101, Ontario, CA 91764

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Secondary Practice Locations 2

Location 19942 Svl BoxVictorville, CA 92395-5144 · Phone (909) 413-1561

Location 2850 E Desert Inn Rd, Apt #505Las Vegas, NV 89109-9382 · Phone (909) 703-0683

Other Identifiers 1

Medicaid1114356797CA

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.

NARDA TERCERO

Behavior Technician