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

SAGE REZNER
NPI 1982380671
Behavior Analyst in Irvine, CA

Active since June 26, 2023
17752 SKY PARK CIR STE 140, IRVINE, CA 92614(949) 474-5577 Get Directions Write a Review

NPPES record last updated: June 18, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Sage Rezner NPPES

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

SAGE REZNER (NPI 1982380671) is an individual behavior analyst provider in Irvine, California, licensed in California (1-26-90488) and active in the NPI registry since June 2023.

NPPES Registry Identity

NPI1982380671
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameSAGE REZNER
Location Address17752 SKY PARK CIR STE 140Irvine, CA 92614-4469
Mailing Address21306 Beach Blvd # V203Huntington Beach, CA 92648-5732 · (714) 833-3633
Phone(949) 474-5577
Sole ProprietorNo
Enumeration DateJune 26, 2023
Last NPPES UpdateJune 18, 2026
NPPES CertifiedJune 18, 2026
✔ NPI 1982380671 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
License✔ Licensed in CA · 1-26-90488
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.
17752 SKY PARK CIR STE 140, Irvine, CA 92614
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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.

VIVIAN LIAO
Behavior Technician
17752 SKY PARK CIR STE 140
IRVINE, CA 92614
Orange County (949) 475-5775
KASSIDY BROOKE GENDREAU
Behavior Technician
17752 SKY PARK CIR STE 140
IRVINE, CA 92614
Orange County (949) 474-5577
CLAIRE ADEL CALABIO
Behavior Technician
17752 SKY PARK CIR STE 140
IRVINE, CA 92614
Orange County (949) 474-5577
ALYSSA EMILY MONSOD
Behavior Technician
17752 SKY PARK CIR STE 140
IRVINE, CA 92614
Orange County (949) 474-5577
TAWNI WILLIAMS
Behavior Technician
17752 SKY PARK CIR STE 140
IRVINE, CA 92614
Orange County (949) 474-5577
ALLISON BROOKE NOVAK
Behavior Technician
17752 SKY PARK CIR STE 140
IRVINE, CA 92614
Orange County (949) 474-5577
MRS. MOLLY REGINE WINTERBOTTOM / STANALAND
Behavior Technician
17752 SKY PARK CIR STE 140
IRVINE, CA 92614
Orange County (949) 474-5577
PHOEBE KWON
Behavior Technician
17752 SKY PARK CIR STE 140
IRVINE, CA 92614
Orange County (949) 474-5577

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 Sage Rezner's NPI number?

The NPI number for Sage Rezner is 1982380671. It was assigned to this individual provider in the NPPES registry on June 26, 2023.

Where is Sage Rezner located?

Sage Rezner practices at 17752 Sky Park Cir Ste 140, Irvine, CA 92614. The listed phone number is (949) 474-5577.

What is Sage Rezner's specialty?

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

When was this NPI record last updated?

The NPPES record for Sage Rezner was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 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.