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

KEYLEY KAY LEISCHNER
NPI 1639094436
Behavior Technician in Billings, MT

Active since August 11, 2026
2260 SAINT JOHNS AVE APT G21, BILLINGS, MT 59102(000) 000-0000 Get Directions Write a Review

NPPES record added: September 26, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 26, 2026, Aug 11, 2026 (2 updates tracked since 2026).

About Keyley Kay Leischner NPPES

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

KEYLEY KAY LEISCHNER (NPI 1639094436) is an individual behavior technician in Billings, Montana and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1639094436
Entity TypeIndividualFemale
Primary Taxonomy106S00000X
Provider Legal NameKEYLEY KAY LEISCHNER
Location Address2260 SAINT JOHNS AVE APT G21Billings, MT 59102-4795
Mailing Address2260 Saint Johns Ave Apt G21Billings, MT 59102-4795
Sole ProprietorNo
Enumeration DateAugust 11, 2026
Last NPPES UpdateSeptember 26, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 26, 2026
✔ NPI 1639094436 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior TechnicianBehavioral Health & Social Service Providers
Taxonomy Code106S00000X
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.
2260 SAINT JOHNS AVE APT G21, Billings, MT 59102

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 Keyley Leischner's NPI number?

The NPI number for Keyley Leischner is 1639094436. It was assigned to this individual provider in the NPPES registry on August 11, 2026.

Where is Keyley Leischner located?

Keyley Leischner practices at 2260 Saint Johns Ave Apt G21, Billings, MT 59102. The listed phone number is (000) 000-0000.

What is Keyley Leischner'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 Keyley Leischner was last updated on September 26, 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.