Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MARISSA LIUZZI
NPI 1568396166
Behavior Analyst in Tustin, CA

Q: What is Marissa Liuzzi's NPI number?

The NPI number for Marissa Liuzzi is 1568396166. It was assigned to this individual provider in the NPPES registry on June 9, 2026.

Q: What is Marissa Liuzzi'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 Marissa Liuzzi was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 June 09, 2026

315 CENTENNIAL WAY, TUSTIN, CA 92780(949) 250-1101(949) 250-1103 Get Directions Write a Review

NPPES record added: June 9, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Marissa Liuzzi NPPES

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

MARISSA LIUZZI (NPI 1568396166) is an individual behavior analyst provider in Tustin, California and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1568396166

Entity TypeIndividualFemale

Primary Taxonomy103K00000X

Provider Legal NameMARISSA LIUZZI

Location Address315 CENTENNIAL WAYTustin, CA 92780-3714

Mailing Address315 Centennial WayTustin, CA 92780-3714 · (949) 250-1101 · Fax (949) 250-1103

Phone(949) 250-1101

Fax(949) 250-1103

Sole ProprietorNo

Enumeration DateJune 9, 2026

NPPES CertifiedJune 9, 2026

✔ NPI 1568396166 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.

315 CENTENNIAL WAY, Tustin, CA 92780

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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.

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