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JONALYN TOMELDEN NGUYEN
NPI 1275901993
Behavior Analyst in Fullerton, CA

Active since September 11, 2015
713 W COMMONWEALTH AVE, FULLERTON, CA 92832(833) 879-4274 Get Directions Write a Review

NPPES record last updated: August 14, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Jonalyn Tomelden Nguyen NPPES

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

JONALYN TOMELDEN NGUYEN (NPI 1275901993) is an individual behavior analyst provider in Fullerton, California and active in the NPI registry since September 2015. She maintains a secondary practice location in Hermosa Beach.

NPPES Registry Identity

NPI1275901993
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameJONALYN TOMELDEN NGUYEN
Location Address713 W COMMONWEALTH AVEFullerton, CA 92832-1612
Mailing Address2447 Pacific Coast HwyHermosa Beach, CA 90254-2714 · (310) 374-3300
Phone(833) 879-4274
Sole ProprietorNo
Enumeration DateSeptember 11, 2015
Last NPPES UpdateAugust 14, 2025
NPPES CertifiedAugust 14, 2025
✔ NPI 1275901993 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.
713 W COMMONWEALTH AVE, Fullerton, CA 92832
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Secondary Practice Location 1

Location 12447 Pacific Coast HwyHermosa Beach, CA 90254-2714 · Phone (310) 374-3300

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.

LUCIA A HERNANDEZ
Behavior Technician
713 W COMMONWEALTH AVE
FULLERTON, CA 92832
Orange County (714) 879-4274
TANIA ELIZABETH SOTO RUIZ
Behavior Technician
713 W COMMONWEALTH AVE
FULLERTON, CA 92832
Orange County (310) 864-9212
DR. JASMIN YOLANDA GRANADOS
Behavior Technician
713 W COMMONWEALTH AVE
FULLERTON, CA 92832
Orange County (714) 897-2274
SWATI BHARDWAJ
Behavior Technician
713 W COMMONWEALTH AVE
FULLERTON, CA 92832
Orange County (714) 879-4274
MISS MELISSA AGUIRRE
Behavior Technician
713 W COMMONWEALTH AVE
FULLERTON, CA 92832
Orange County (714) 879-4274
NIVEIN AHMED ABDELAZIZ
Behavior Technician
713 W COMMONWEALTH AVE
FULLERTON, CA 92832
Orange County (657) 799-4706
MRS. NIKOLE DONELON MCCOY BCBA
Behavior Analyst
713 W COMMONWEALTH AVE
FULLERTON, CA 92832
Orange County (714) 879-4274
ANABEL GARCIA MA
Behavior Analyst
713 W COMMONWEALTH AVE
FULLERTON, CA 92832
Orange County (714) 879-4274

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 Jonalyn Nguyen's NPI number?

The NPI number for Jonalyn Nguyen is 1275901993. It was assigned to this individual provider in the NPPES registry on September 11, 2015.

Where is Jonalyn Nguyen located?

Jonalyn Nguyen practices at 713 W Commonwealth Ave, Fullerton, CA 92832. The listed phone number is (833) 879-4274.

What is Jonalyn Nguyen's specialty?

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

When was this NPI record last updated?

The NPPES record for Jonalyn Nguyen was last updated on August 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.