HEATHER M GRAY-MERRILL BCBA
NPI 1659987535
Behavior Analyst in Milton, DE

Q: What is Heather Gray-merrill's NPI number?

The NPI number for Heather Gray-merrill is 1659987535. It was assigned to this individual provider in the NPPES registry on September 16, 2020.

Q: What is Heather Gray-merrill's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

Active since September 16, 2020

311 UNION ST, MILTON, DE 19968(203) 512-9329 Get Directions Write a Review

NPPES record last updated: January 30, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 30, 2026, Sep 16, 2020 (2 updates tracked since 2020).

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About Heather M Gray-merrill Bcba NPPES

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

HEATHER M GRAY-MERRILL BCBA (NPI 1659987535) is an individual behavior analyst provider in Milton, Delaware and active in the NPI registry since September 2020. She maintains a secondary practice location in Sandy Hook.

NPPES Registry Identity

NPI1659987535

Entity TypeIndividualFemale

Primary Taxonomy103K00000X

Provider Legal NameHEATHER M GRAY-MERRILLCredential: BCBA

Location Address311 UNION STMilton, DE 19968-1621

Mailing Address311 Union StMilton, DE 19968-1621 · (203) 512-9329

Phone(203) 512-9329

Sole ProprietorYes

Enumeration DateSeptember 16, 2020

Last NPPES UpdateJanuary 30, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 30, 2026

✔ NPI 1659987535 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.

311 UNION ST, Milton, DE 19968

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Secondary Practice Location 1

Location 187 Church Hill RdSandy Hook, CT 06482-1162 · Phone (203) 512-9329

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 Heather Gray-merrill's NPI number?

The NPI number for Heather Gray-merrill is 1659987535. It was assigned to this individual provider in the NPPES registry on September 16, 2020.

Where is Heather Gray-merrill located?

Heather Gray-merrill practices at 311 Union St, Milton, DE 19968. The listed phone number is (203) 512-9329.

What is Heather Gray-merrill'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 Heather Gray-merrill was last updated on January 30, 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.