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DELEAH JANAE GADSBY
NPI 1255830840
Behavior Analyst in Nashua, NH

Active since February 08, 2018
2 BROOKLINE ST, NASHUA, NH 03064(785) 633-9440 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 4, 2025, Nov 30, 2025, Mar 3, 2025 (3 updates tracked since 2025).

About Deleah Janae Gadsby NPPES

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

DELEAH JANAE GADSBY (NPI 1255830840) is an individual behavior analyst provider in Nashua, New Hampshire and active in the NPI registry since February 2018. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1255830840
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameDELEAH JANAE GADSBY
Location Address2 BROOKLINE STNashua, NH 03064-1809
Mailing Address2 Brookline StNashua, NH 03064-1809 · (785) 633-9440
Phone(785) 633-9440
Sole ProprietorYes
Enumeration DateFebruary 8, 2018
Last NPPES UpdateDecember 4, 20253 updates tracked since enumeration
NPPES CertifiedDecember 4, 2025
✔ NPI 1255830840 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.
2 BROOKLINE ST, Nashua, NH 03064
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Other Names 1

Former Name (1)Deleah Barker

Secondary Practice Locations 2

Location 1340 Granite St Fl 3Manchester, NH 03102-4000 · Phone (603) 801-4714
Location 2200 Sutton St Ste 120&142North Andover, MA 01845-1656 · Phone (774) 206-1125

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 Deleah Gadsby's NPI number?

The NPI number for Deleah Gadsby is 1255830840. It was assigned to this individual provider in the NPPES registry on February 8, 2018. The provider is also known as Deleah Barker.

Where is Deleah Gadsby located?

Deleah Gadsby practices at 2 Brookline St, Nashua, NH 03064. The listed phone number is (785) 633-9440.

What is Deleah Gadsby'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 Deleah Gadsby was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.