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ALEXANDER JOHN ZASTE
NPI 1063306421
Assistant Behavior Analyst in Walnut Creek, CA

Active since June 09, 2025
2730 SHADELANDS DR BLDG 10, WALNUT CREEK, CA 94598(925) 266-8400 Get Directions Write a Review

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

About Alexander John Zaste NPPES

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

ALEXANDER JOHN ZASTE (NPI 1063306421) is an individual assistant behavior analyst provider in Walnut Creek, California and active in the NPI registry since June 2025.

NPPES Registry Identity

NPI1063306421
Entity TypeIndividualMale
Primary Taxonomy106E00000X
Provider Legal NameALEXANDER JOHN ZASTE
Location Address2730 SHADELANDS DR BLDG 10Walnut Creek, CA 94598-2538
Mailing Address2730 Shadelands Dr Bldg 10Walnut Creek, CA 94598-2538
Phone(925) 266-8400
Sole ProprietorNo
Enumeration DateJune 9, 2025
NPPES CertifiedJune 8, 2025
✔ NPI 1063306421 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAssistant Behavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code106E00000X
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.
2730 SHADELANDS DR BLDG 10, Walnut Creek, CA 94598
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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.

LEAH SPARROWE
Social Worker
2730 SHADELANDS DR BLDG 10
WALNUT CREEK, CA 94598
Contra Costa County (925) 266-8400
ALEXANDRA BRAGG
Behavior Analyst
2730 SHADELANDS DR BLDG 10
WALNUT CREEK, CA 94598
Contra Costa County (855) 843-2476
ASHLEY SKILLMAN
Behavior Technician
2730 SHADELANDS DR BLDG 10
WALNUT CREEK, CA 94598
Contra Costa County (925) 301-6565
MS. ITING ALICE LEE
Assistant Behavior Analyst
2730 SHADELANDS DR BLDG 10
WALNUT CREEK, CA 94598
Contra Costa County (925) 266-8400
ALYSSA JANE BAGASBAS AFICIAL
Respite Care
2730 SHADELANDS DR BLDG 10
WALNUT CREEK, CA 94598
Contra Costa County (925) 266-8400
RAWAN ALSARAYJI
Behavior Technician
2730 SHADELANDS DR BLDG 10
WALNUT CREEK, CA 94598
Contra Costa County (000) 000-0000
AMANDA ROSE SILVER PSYD
Psychologist (Clinical)
2730 SHADELANDS DR BLDG 10
WALNUT CREEK, CA 94598
Contra Costa County (925) 266-8400
GARRET MICHEAL DEAN ACORD
Behavior Technician
2730 SHADELANDS DR BLDG 10
WALNUT CREEK, CA 94598
Contra Costa County (925) 914-0137

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 Alexander Zaste's NPI number?

The NPI number for Alexander Zaste is 1063306421. It was assigned to this individual provider in the NPPES registry on June 9, 2025.

Where is Alexander Zaste located?

Alexander Zaste practices at 2730 Shadelands Dr Bldg 10, Walnut Creek, CA 94598. The listed phone number is (925) 266-8400.

What is Alexander Zaste'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 Alexander Zaste 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.