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JOSIYAH LEONARD
NPI 1275483133
Behavior Analyst in Springfield, MA

Active since January 30, 2026
136 WILLIAM ST, SPRINGFIELD, MA 01105(413) 258-7316 Get Directions Write a Review

NPPES record last updated: February 24, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Josiyah Leonard NPPES

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

JOSIYAH LEONARD (NPI 1275483133) is an individual behavior analyst provider in Springfield, Massachusetts and active in the NPI registry since January 2026.

NPPES Registry Identity

NPI1275483133
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameJOSIYAH LEONARD
Location Address136 WILLIAM STSpringfield, MA 01105-2324
Mailing Address1892 Memorial DrChicopee, MA 01020-4321
Phone(413) 258-7316
Sole ProprietorYes
Enumeration DateJanuary 30, 2026
Last NPPES UpdateFebruary 24, 2026
NPPES CertifiedFebruary 24, 2026
✔ NPI 1275483133 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.
136 WILLIAM ST, Springfield, MA 01105
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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.

MRS. MARY LOUISE GRAY SLP
Speech-Language Pathologist
136 WILLIAM ST
SPRINGFIELD, MA 01105
Hampden County (413) 788-2171
AIDELISA LOPEZ-CARRASCO
Speech-Language Pathologist
136 WILLIAM ST
SPRINGFIELD, MA 01105
Hampden County (413) 788-2171
KRISTAL FORTNER
Speech-Language Pathologist
136 WILLIAM ST
SPRINGFIELD, MA 01105
Hampden County (413) 788-2171
NADIA SALEH
Specialist/Technologist (Speech-Language Assistant)
136 WILLIAM ST
SPRINGFIELD, MA 01105
Hampden County (413) 788-2171
RONALD P WATSON
Behavior Technician
136 WILLIAM ST
SPRINGFIELD, MA 01105
Hampden County (413) 303-9084
SHANNA KAMIENSKI
Behavior Technician
136 WILLIAM ST
SPRINGFIELD, MA 01105
Hampden County (413) 303-9084
LAURA BONI SLP
Speech-Language Pathologist
136 WILLIAM ST
SPRINGFIELD, MA 01105
Hampden County (413) 788-2171
ALYSSA NICOLE SCRIBNER
Behavior Technician
136 WILLIAM ST
SPRINGFIELD, MA 01105
Hampden County (413) 258-7316

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 Josiyah Leonard's NPI number?

The NPI number for Josiyah Leonard is 1275483133. It was assigned to this individual provider in the NPPES registry on January 30, 2026.

Where is Josiyah Leonard located?

Josiyah Leonard practices at 136 William St, Springfield, MA 01105. The listed phone number is (413) 258-7316.

What is Josiyah Leonard'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 Josiyah Leonard was last updated on February 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.