Individual provider Active NPI

Antoinette Mailloux, PMHNP-BC

  • Psychiatric/Mental Health Nurse Practitioner
  • Barre, MA
National Provider Identifier
1447093737
Registry record updated Jul 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
RN2294727 Issued in MA
Practice address
7 Exchange St
Barre, MA 01005-8726
Phone
(978) 285-9187
Fax
(508) 213-3982
NPI assigned
Jun 14, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 6, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X RN2294727 MA Primary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 113645-23 NH

Addresses

Primary practice location

7 Exchange St
Barre, MA 01005-8726

Mailing address

PO Box 21
Barre, MA 01005-0021
Phone (978) 285-9187

Other practice location 1

21 Nh Route 12 S
Fitzwilliam, NH 03447-3235
Phone (978) 285-9187

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2021
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

PO Box
Suite 21
Barre, MA 01005

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
RN2294727MAMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Balanced Chemistry, PLLC Psychiatric/Mental Health CurrentSince Jan 1, 2025 Accepting new patients
Ascend Integrative Medicine LLC Past Accepting new patients

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1718323200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783296000000",
    "number": "1447093737",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 21",
            "city": "BARRE",
            "state": "MA",
            "postal_code": "010050021",
            "telephone_number": "978-285-9187",
            "fax_number": "508-213-3982"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7 EXCHANGE ST",
            "city": "BARRE",
            "state": "MA",
            "postal_code": "010058726",
            "telephone_number": "978-285-9187",
            "fax_number": "508-213-3982"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "21 Nh Route 12 S",
            "address_purpose": "LOCATION",
            "city": "Fitzwilliam",
            "state": "NH",
            "postal_code": "034473235",
            "country_code": "US",
            "telephone_number": "978-285-9187",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAILLOUX",
        "first_name": "ANTOINETTE",
        "credential": "PMHNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-06-14",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MA",
            "license": "RN2294727",
            "primary": true
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NH",
            "license": "113645-23",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Barre, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.