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

ANTOINETTE MAILLOUX PMHNP-BC
NPI 1447093737
Nurse Practitioner - Psychiatric/Mental Health in Barre, MA

Q: What is Antoinette Mailloux's NPI number?

The NPI number for Antoinette Mailloux is 1447093737. It was assigned to this individual provider in the NPPES registry on June 14, 2024.

Q: What is Antoinette Mailloux's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Active since June 14, 2024

7 EXCHANGE ST, BARRE, MA 01005(978) 285-9187(508) 213-3982 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 6, 2026, Feb 12, 2025, Jun 14, 2024 (3 updates tracked since 2024).

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About Antoinette Mailloux Pmhnp-bc NPPES

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

ANTOINETTE MAILLOUX PMHNP-BC (NPI 1447093737) is an individual psychiatric/mental health provider in Barre, Massachusetts, licensed in Massachusetts (RN2294727) and active in the NPI registry since June 2024. She maintains a secondary practice location in Fitzwilliam and is a graduate of Other (2021).

NPPES Registry Identity

NPI1447093737

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameANTOINETTE MAILLOUXCredential: PMHNP-BC

Location Address7 EXCHANGE STBarre, MA 01005-8726

Mailing AddressPo Box 21Barre, MA 01005-0021 · (978) 285-9187 · Fax (508) 213-3982

Phone(978) 285-9187

Fax(508) 213-3982

Sole ProprietorNo

Medical School CMSOtherGraduated 2021

Enumeration DateJune 14, 2024

Last NPPES UpdateJuly 6, 20263 updates tracked since enumeration

NPPES CertifiedJuly 6, 2026

✔ NPI 1447093737 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

Licenses✔ Licensed in MA · RN2294727✔ Licensed in NH · 113645-23

7 EXCHANGE ST, Barre, MA 01005

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Secondary Practice Location 1

Location 121 Nh Route 12 SFitzwilliam, NH 03447-3235 · Phone (978) 285-9187

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Antoinette Mailloux Pmhnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9931692480

PECOS Enrollment IDI20251203001258

Other Providers at the Same Location NPPES

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

BALANCED CHEMISTRY, PLLC

Nurse Practitioner (Psychiatric/Mental Health)

7 EXCHANGE ST
BARRE, MA 01005

Worcester County (978) 285-9187

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 Antoinette Mailloux's NPI number?

The NPI number for Antoinette Mailloux is 1447093737. It was assigned to this individual provider in the NPPES registry on June 14, 2024.

Where is Antoinette Mailloux located?

Antoinette Mailloux practices at 7 Exchange St, Barre, MA 01005. The listed phone number is (978) 285-9187.

What is Antoinette Mailloux's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Antoinette Mailloux enrolled in Medicare?

Yes. Antoinette Mailloux is registered in the Medicare PECOS enrollment system.

What insurance does Antoinette Mailloux accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Antoinette Mailloux 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 Antoinette Mailloux was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 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.