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

GREG BREZNICAN
NPI 1639619612
Behavior Analyst in San Juan, PR

Q: What is Greg Breznican's NPI number?

The NPI number for Greg Breznican is 1639619612. It was assigned to this individual provider in the NPPES registry on February 24, 2017.

Q: What is Greg Breznican'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 Greg Breznican was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 February 24, 2017

1473 AVE WILSON STE 304, SAN JUAN, PR 00907(787) 489-0088 Get Directions Write a Review

NPPES record last updated: August 21, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 21, 2026, May 9, 2017, Feb 24, 2017 (3 updates tracked since 2017).

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About Greg Breznican NPPES

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

GREG BREZNICAN (NPI 1639619612) is an individual behavior analyst provider in San Juan, Puerto Rico and active in the NPI registry since February 2017.

NPPES Registry Identity

NPI1639619612

Entity TypeIndividualMale

Primary Taxonomy103K00000X

Provider Legal NameGREG BREZNICAN

Location Address1473 AVE WILSON STE 304San Juan, PR 00907-2364

Mailing Address1473 Ave Wilson Ste 304San Juan, PR 00907-2364 · (787) 489-0088

Phone(787) 489-0088

Sole ProprietorNo

Enumeration DateFebruary 24, 2017

Last NPPES UpdateAugust 21, 20263 updates tracked since enumeration

NPPES CertifiedAugust 21, 2026

✔ NPI 1639619612 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.

Other Providers at the Same Location NPPES 9

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

GIANNA ANDREA BLASINI FLORES

Behavior Technician