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XAYYA THAMMAVONGSA
NPI 1588410880
Assistant Behavior Analyst in Alameda, CA

Active since April 26, 2024
1311 PARK ST # 1099, ALAMEDA, CA 94501(888) 428-3223 Get Directions Write a Review

NPPES record last updated: July 10, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 10, 2025, Apr 26, 2024 (2 updates tracked since 2024).

About Xayya Thammavongsa NPPES

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

XAYYA THAMMAVONGSA (NPI 1588410880) is an individual assistant behavior analyst provider in Alameda, California, licensed in (RBT-25-426796) and active in the NPI registry since April 2024.

NPPES Registry Identity

NPI1588410880
Entity TypeIndividualMale
Primary Taxonomy106E00000X
Provider Legal NameXAYYA THAMMAVONGSA
Location Address1311 PARK ST # 1099Alameda, CA 94501-4507
Mailing Address4221 Wilshire Blvd Ste 300aLos Angeles, CA 90010-3537 · (888) 428-3223 · Fax (323) 866-1881
Phone(888) 428-3223
Sole ProprietorNo
Enumeration DateApril 26, 2024
Last NPPES UpdateJuly 10, 20252 updates tracked since enumeration
NPPES CertifiedJuly 10, 2025
✔ NPI 1588410880 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 · RBT-25-426796
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 ListedBehavior TechnicianTaxonomy 106S00000X
1311 PARK ST # 1099, Alameda, CA 94501
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Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANGELICA SANDOVAL
Behavior Technician
1311 PARK ST # 1099
ALAMEDA, CA 94501
Alameda County (888) 428-3223
ANAKAREN RODRIGUEZ GARCIA
Behavior Technician
1311 PARK ST # 1099
ALAMEDA, CA 94501
Alameda County (888) 428-3223
ZARA ZUBAIR
Behavior Technician
1311 PARK ST # 1099
ALAMEDA, CA 94501
Alameda County (888) 428-3223
SAUL ARRIZON
Behavior Technician
1311 PARK ST # 1099
ALAMEDA, CA 94501
Alameda County (888) 428-3223
MINA WONG
Assistant Behavior Analyst
1311 PARK ST # 1099
ALAMEDA, CA 94501
Alameda County (888) 428-3223
JOSHUA TSANG
Behavior Technician
1311 PARK ST # 1099
ALAMEDA, CA 94501
Alameda County (888) 428-3223
ESTEBAN ROSAS CRUZ
Behavior Technician
1311 PARK ST # 1099
ALAMEDA, CA 94501
Alameda County (888) 428-3223
AKANKSHA VISHWAKARMA
Assistant Behavior Analyst
1311 PARK ST # 1099
ALAMEDA, CA 94501
Alameda County (888) 428-3223

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 Xayya Thammavongsa's NPI number?

The NPI number for Xayya Thammavongsa is 1588410880. It was assigned to this individual provider in the NPPES registry on April 26, 2024.

Where is Xayya Thammavongsa located?

Xayya Thammavongsa practices at 1311 Park St # 1099, Alameda, CA 94501. The listed phone number is (888) 428-3223.

What is Xayya Thammavongsa'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 Xayya Thammavongsa was last updated on July 10, 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.