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RACHEL THEYS MS.ED, BCBA, LABA
NPI 1124530373
Behavior Analyst in Wellesley Hills, MA

Active since October 27, 2017
35 WALNUT ST., WELLESLEY HILLS, MA 02481(617) 631-4193(617) 631-4193 Get Directions Write a Review

NPPES record last updated: November 2, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 10, 2019, Oct 27, 2017 (2 updates tracked since 2017).

About Rachel Theys Ms.ed, Bcba, Laba NPPES

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

RACHEL THEYS MS.ED, BCBA, LABA (NPI 1124530373) is an individual behavior analyst provider in Wellesley Hills, Massachusetts, licensed in Massachusetts (000001867) and active in the NPI registry since October 2017. She maintains a secondary practice location in Nashua.

NPPES Registry Identity

NPI1124530373
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameRACHEL THEYSCredential: MS.ED, BCBA, LABA
Location Address35 WALNUT ST.Wellesley Hills, MA 02481-2101
Mailing Address130 Liberty St Ste 13aBrockton, MA 02301-7511 · (617) 957-6451 · Fax (508) 857-5893
Phone(617) 631-4193
Fax(617) 631-4193
Sole ProprietorNo
Enumeration DateOctober 27, 2017
Last NPPES UpdateNovember 2, 20252 updates tracked since enumeration
NPPES CertifiedNovember 2, 2025
✔ NPI 1124530373 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
License✔ Licensed in MA · 000001867
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.
35 WALNUT ST., Wellesley Hills, MA 02481
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Secondary Practice Location 1

Location 1542 Amherst St.Nashua, NH 03063-1016 · Phone (617) 631-4193

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellSense Health Plan.Insurance ›

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 Rachel Theys's NPI number?

The NPI number for Rachel Theys is 1124530373. It was assigned to this individual provider in the NPPES registry on October 27, 2017.

Where is Rachel Theys located?

Rachel Theys practices at 35 Walnut St., Wellesley Hills, MA 02481. The listed phone number is (617) 631-4193.

What is Rachel Theys's specialty?

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

What insurance does Rachel Theys accept?

Health plans from WellSense Health Plan list Rachel Theys as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Rachel Theys was last updated on November 2, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.