NPIMap

Organization Active NPI

Gardner Group, Inc

Doing business as On-Site Academy

  • Psychologist
  • Westminster, MA
National Provider Identifier
1053589507
Registry record updated Sep 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
Legal business name
GARDNER GROUP, INC
Doing business as
On-Site Academy
Practice address
219 Bragg Hill Rd
Westminster, MA 01473
Phone
(978) 874-0177
Fax
(978) 874-0770
NPI assigned
Feb 19, 2008
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 2, 2025

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

Authorized official

Name
Hayden A Duggan, ED.DNPI 1669607503
Title
President/Founder
Phone
(978) 874-0177

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
PsychologistGroup: 193200000X MULTI-SPECIALTY GROUP 103T00000X Primary

Addresses

Primary practice location

219 Bragg Hill Rd
Westminster, MA 01473

Mailing address

PO Box 448
Westminster, MA 01473
Phone (978) 874-0177

Other names 1

  • ON-SITE ACADEMY Doing business as

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 3

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1203379200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1756771200000",
    "number": "1053589507",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 448",
            "city": "WESTMINSTER",
            "state": "MA",
            "postal_code": "01473",
            "telephone_number": "978-874-0177",
            "fax_number": "978-874-0770"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "219 BRAGG HILL RD",
            "city": "WESTMINSTER",
            "state": "MA",
            "postal_code": "01473",
            "telephone_number": "978-874-0177",
            "fax_number": "978-874-0770"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GARDNER GROUP, INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2008-02-19",
        "last_updated": "2025-09-02",
        "status": "A",
        "authorized_official_last_name": "DUGGAN",
        "authorized_official_first_name": "HAYDEN",
        "authorized_official_middle_name": "A",
        "authorized_official_title_or_position": "PRESIDENT/FOUNDER",
        "authorized_official_telephone_number": "978-874-0177",
        "authorized_official_credential": "ED.D"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "ON-SITE ACADEMY",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Westminster, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.