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

ADDISON TAYLOR LESZYNSKI
NPI 1114735347
Behavior Technician in Salt Lake City, UT

Active since December 19, 2024
404 E 4500 S UNIT A, SALT LAKE CITY, UT 84107(801) 771-0273 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 18, 2026, Dec 19, 2024 (2 updates tracked since 2024).

About Addison Taylor Leszynski NPPES

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

ADDISON TAYLOR LESZYNSKI (NPI 1114735347) is an individual behavior technician in Salt Lake City, Utah, licensed in Utah (1252809) and active in the NPI registry since December 2024.

NPPES Registry Identity

NPI1114735347
Entity TypeIndividualFemale
Primary Taxonomy106S00000X
Provider Legal NameADDISON TAYLOR LESZYNSKI
Location Address404 E 4500 S UNIT ASalt Lake City, UT 84107-2712
Mailing Address5226 S Lucky Clover LnMurray, UT 84123-8455 · (801) 603-0682
Sole ProprietorNo
Enumeration DateDecember 19, 2024
Last NPPES UpdateAugust 18, 20262 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
NPI 1114735347 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyBehavior TechnicianBehavioral Health & Social Service Providers
Taxonomy Code106S00000X
License Licensed in UT · 1252809
Definition
The behavior technician is a paraprofessional who practices under the close, ongoing supervision of a behavior analyst or assistant behavior analyst certified by the Behavior Analyst Certification Board and/or credentialed by a state (such as through licensure). The behavior technician is primarily responsible for the implementation of components of behavior-analytic treatment plans developed by the supervisor. That may include collecting data on treatment targets and conducting certain types of behavioral assessments (e.g., stimulus preference assessments). The behavior technician does not design treatment or assessment plans or procedures but provides services as assigned by the supervisor responsible for his or her work.
404 E 4500 S UNIT A, Salt Lake City, UT 84107

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 Addison Leszynski's NPI number?

The NPI number for Addison Leszynski is 1114735347. It was assigned to this individual provider in the NPPES registry on December 19, 2024.

Where is Addison Leszynski located?

Addison Leszynski practices at 404 E 4500 S Unit A, Salt Lake City, UT 84107. The listed phone number is (801) 771-0273.

What is Addison Leszynski's specialty?

The primary specialty registered for this NPI is Behavior Technician with taxonomy code 106S00000X.

When was this NPI record last updated?

The NPPES record for Addison Leszynski was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.