ALEXANDRA MARQUEZ
NPI 1831689272
Behavior Analyst in Palo Alto, CA

Q: What is Alexandra Marquez's NPI number?

The NPI number for Alexandra Marquez is 1831689272. It was assigned to this individual provider in the NPPES registry on May 10, 2018.

Q: What is Alexandra Marquez's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Alexandra Marquez was last updated on March 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since May 10, 2018

3000 EL CAMINO REAL BLDG 4, PALO ALTO, CA 94306(408) 372-6098 Get Directions Write a Review

NPPES record last updated: March 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 28, 2026, Nov 7, 2025, Apr 24, 2024 and 2 more (5 updates tracked since 2018).

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About Alexandra Marquez NPPES

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

ALEXANDRA MARQUEZ (NPI 1831689272) is an individual behavior analyst provider in Palo Alto, California and active in the NPI registry since May 2018. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1831689272

Entity TypeIndividualFemale

Primary Taxonomy103K00000X

Provider Legal NameALEXANDRA MARQUEZ

Location Address3000 EL CAMINO REAL BLDG 4Palo Alto, CA 94306-2100

Mailing Address3000 El Camino Real Bldg 4Palo Alto, CA 94306-2100

Phone(408) 372-6098

Sole ProprietorNo

Enumeration DateMay 10, 2018

Last NPPES UpdateMarch 28, 20265 updates tracked since enumeration

NPPES CertifiedMarch 28, 2026

✔ NPI 1831689272 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.

3000 EL CAMINO REAL BLDG 4, Palo Alto, CA 94306

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Secondary Practice Locations 2

Location 11360 N Winchester Blvd Ste 4San Jose, CA 95128-1150 · Phone (408) 709-9214

Location 21835 Park AveSan Jose, CA 95126-1629 · Phone (303) 989-8169

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.

CHELSEA RAE SPENCER

Behavior Analyst