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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

AYNSLEY GUERTIN MSED, BCBA
NPI 1548872898
Behavior Analyst in Wallingford, CT

Active since August 18, 2020
25 FAIR ST, WALLINGFORD, CT 06492(475) 303-2473 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 21, 2026, Feb 14, 2023, Jul 19, 2022 and 1 more (4 updates tracked since 2020).

About Aynsley Guertin Msed, Bcba NPPES

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

AYNSLEY GUERTIN MSED, BCBA (NPI 1548872898) is an individual behavior analyst provider in Wallingford, Connecticut, licensed in Connecticut (1727) and active in the NPI registry since August 2020.

NPPES Registry Identity

NPI1548872898
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameAYNSLEY GUERTINCredential: MSED, BCBA
Location Address25 FAIR STWallingford, CT 06492-4208
Mailing Address373 Ward StWallingford, CT 06492-4614 · (475) 303-2473
Phone(475) 303-2473
Sole ProprietorNo
Enumeration DateAugust 18, 2020
Last NPPES UpdateJuly 21, 20264 updates tracked since enumeration
NPPES CertifiedJuly 21, 2026
✔ NPI 1548872898 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
Licenses✔ Licensed in CT · 1727✔ Licensed in MA · 3435✔ Licensed in GA · 003242712A✔ Licensed · 1-20-44030
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.
25 FAIR ST, Wallingford, CT 06492
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Providence Health Plan.Insurance ›

Other Providers at the Same Location NPPES

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

ARC LIGHT BEHAVIORAL HEALTH COLLECTIVE LLC
Behavior Analyst
25 FAIR ST
WALLINGFORD, CT 06492
South Central Connecticut Planning Region (475) 303-2473

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 Aynsley Guertin's NPI number?

The NPI number for Aynsley Guertin is 1548872898. It was assigned to this individual provider in the NPPES registry on August 18, 2020.

Where is Aynsley Guertin located?

Aynsley Guertin practices at 25 Fair St, Wallingford, CT 06492. The listed phone number is (475) 303-2473.

What is Aynsley Guertin's specialty?

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

What insurance does Aynsley Guertin accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Providence Health Plan list Aynsley Guertin 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 Aynsley Guertin was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.