Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. KATELYN ANNE ZISSIMOS BCBA
NPI 1083199723
Behavior Analyst in Temecula, CA

Q: What is Katelyn Zissimos's NPI number?

The NPI number for Katelyn Zissimos is 1083199723. It was assigned to this individual provider in the NPPES registry on September 28, 2018.

Q: What is Katelyn Zissimos'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 Katelyn Zissimos was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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 September 28, 2018

41593 WINCHESTER RD STE 200, TEMECULA, CA 92590(951) 216-3330 Get Directions Write a Review

NPPES record last updated: September 24, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 24, 2026, Jul 17, 2023, Sep 28, 2018 (3 updates tracked since 2018).

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About Mrs. Katelyn Anne Zissimos Bcba NPPES

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

MRS. KATELYN ANNE ZISSIMOS BCBA (NPI 1083199723) is an individual behavior analyst provider in Temecula, California, licensed in California (1-23-66888) and active in the NPI registry since September 2018.

NPPES Registry Identity

NPI1083199723

Entity TypeIndividualFemale

Primary Taxonomy103K00000X

Provider Legal NameMRS. KATELYN ANNE ZISSIMOSCredential: BCBA

Location Address41593 WINCHESTER RD STE 200Temecula, CA 92590-4857

Mailing Address41760 Ivy St Ste 101Murrieta, CA 92562-9416 · (951) 595-4673

Phone(951) 216-3330

Sole ProprietorNo

Enumeration DateSeptember 28, 2018

Last NPPES UpdateSeptember 24, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 24, 2026

✔ NPI 1083199723 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers

Taxonomy Code103K00000X

License✔ Licensed in CA · 1-23-66888

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.

Also ListedBehavior TechnicianTaxonomy 106S00000X

41593 WINCHESTER RD STE 200, Temecula, CA 92590

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