Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1114356797 Individual Practitioner Female Practitioner

Sydney Shanel Stewart

Assistant Behavior Analyst • Ontario, CA

Professional Overview & Biography Verified Profile Summary

Sydney Stewart is a registered healthcare professional specializing in Assistant Behavior Analyst in Ontario, CA. Practice services are available at 2990 INLAND EMPIRE BLVD STE 100&101 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

2990 Inland Empire Blvd Ste 100&101

Ontario, CA 917644899

Telephone 9092958692

Specialty Benchmarks & Practice Insights

Comparative analytics for Assistant Behavior Analyst in Ontario, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 10.2 Yrs
Regional Practice Density
121 Specialists

Practicing in Ontario, CA (2662 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-06-16
Assistant Behavior Analyst Primary Specialty

NUCC Taxonomy Code: 106E00000X

State License CA 1114356797

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.

Counselor

NUCC Taxonomy Code: 101Y00000X

A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
1114356797 (CA)

Secondary Practice Locations

9942 Svl Box

Victorville, CA 923955144

Phone: 9094131561

850 E Desert Inn Rd, Apt #505

Las Vegas, NV 891099382

Phone: 9097030683

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

37 Associated Practitioners
Narda Tercero

Behavior Technician

NPI 1003753336
Ana Garcia

Behavior Technician

NPI 1083557086
Daisy Padilla

Behavior Technician

NPI 1114847894
Candice Cartzdafner

Behavior Technician

NPI 1124953880
Justin Martin

Behavior Technician

NPI 1144016304
Andrew Cervantes

Behavior Technician

NPI 1154275808

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
📍
Updated Practice Location June 16, 2026

Registered at 2990 INLAND EMPIRE BLVD STE 100&101, ONTARIO, CA 917644899 (Tel: 9092958692)

📍
Updated Business Mailing Address June 16, 2026

Registered at PO BOX 740780, ATLANTA, GA 303740780 (Tel: 8552237123)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 16, 2026

Assistant Behavior Analyst (License #1114356797 in CA)

📍
Updated Practice Location November 12, 2018

Registered at 9942 SVL BOX, VICTORVILLE, CA 923955144 (Tel: 9094131561)

📍
Updated Business Mailing Address November 12, 2018

Registered at 9942 SVL BOX, VICTORVILLE, CA 923955144

NPI Profile Active November 05, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location November 05, 2013

Registered at 850 E DESERT INN RD, APT #505, LAS VEGAS, NV 891099382 (Tel: 9097030683)

📍
Updated Business Mailing Address November 05, 2013

Registered at 850 E DESERT INN RD, APT #505, LAS VEGAS, NV 891099382

👤
Provider Name / Credentials Updated November 05, 2013

Recorded as SYDNEY STEWART

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 05, 2013

Counselor

🟢
Initial NPI Registration & Enumeration November 05, 2013

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1114356797
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 05, 2013
Last Update: June 16, 2026
Sole Proprietor: Yes

Mailing Address

Po Box 740780

Atlanta, GA 303740780

Phone: 8552237123

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.