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MS. KELSIE NICOLE OSBORNE
NPI 1912485988
Behavior Analyst in Mesa, AZ

Active since August 01, 2018

NPPES record last updated: August 20, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Kelsie Nicole Osborne NPPES

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

MS. KELSIE NICOLE OSBORNE (NPI 1912485988) is an individual behavior analyst provider in Mesa, Arizona and active in the NPI registry since August 2018.

NPPES Registry Identity

NPI1912485988
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameMS. KELSIE NICOLE OSBORNE
Location Address455 E 6TH STMesa, AZ 85203-7118
Mailing Address455 E 6th StMesa, AZ 85203-7118 · (855) 772-8847
Phone(855) 772-8847
Sole ProprietorNo
Enumeration DateAugust 1, 2018
Last NPPES UpdateAugust 20, 2025
NPPES CertifiedAugust 20, 2025
✔ NPI 1912485988 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
Also ListedBehavior TechnicianTaxonomy 106S00000X
455 E 6TH ST, Mesa, AZ 85203
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Other Names 1

Former Name (1)Kelsie Nicole Kirtley

Other Providers at the Same Location NPPES 11

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

ANDREW R ADAMSON DO
Obstetrics & Gynecology
455 E 6TH ST
MESA, AZ 85203
Maricopa County (480) 844-4702
BRIGETT LEIGH GARNER NP
Nurse Practitioner (Obstetrics & Gynecology)
455 E 6TH ST, SUITE 100
MESA, AZ 85203
Maricopa County (480) 844-4702
KAYLEY PAUL
Behavior Technician
455 E 6TH ST
MESA, AZ 85203
Maricopa County (855) 772-8847
JANET LOPEZ
Behavior Technician
455 E 6TH ST
MESA, AZ 85203
Maricopa County (855) 772-8847
AIME ANDREA PONCHO
Behavior Technician
455 E 6TH ST
MESA, AZ 85203
Maricopa County (248) 436-4400
SOPHIA FIORILLO
Behavior Analyst
455 E 6TH ST
MESA, AZ 85203
Maricopa County (855) 772-8847
LUISA FRANCISCO MARTINEZ
Behavior Analyst
455 E 6TH ST
MESA, AZ 85203
Maricopa County (480) 359-4160
TELIYAH L HUMPHREY
Behavior Technician
455 E 6TH ST
MESA, AZ 85203
Maricopa County (855) 772-8847

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 Kelsie Osborne's NPI number?

The NPI number for Kelsie Osborne is 1912485988. It was assigned to this individual provider in the NPPES registry on August 1, 2018. The provider is also known as Kelsie Nicole Kirtley.

Where is Kelsie Osborne located?

Kelsie Osborne practices at 455 E 6th St, Mesa, AZ 85203. The listed phone number is (855) 772-8847.

What is Kelsie Osborne'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 Kelsie Osborne was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.