Organization Active NPI

DRS. Mackler, Siurek and Associates

  • Periodontics
  • West Springfield, MA
National Provider Identifier
1124243555
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
PeriodonticsTaxonomy code 1223P0300X
License
11580 Issued in MA
Legal business name
DRS. MACKLER, SIUREK AND ASSOCIATES
Practice address
46 Daggett Dr
Suite 2C
West Springfield, MA 01089-4638
Phone
(413) 747-9224
Fax
(413) 747-0117
NPI assigned
Apr 13, 2007
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Authorized official

Name
Dr. Frederic S Mackler, D.M.D., M.A.
Title
President
Phone
(413) 747-9224

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
General Practice DentistryGroup: 193200000X MULTI-SPECIALTY GROUP 1223G0001X 11580 MA
PeriodonticsGroup: 193200000X MULTI-SPECIALTY GROUP 1223P0300X 11580 MA Primary

Addresses

Primary practice location

46 Daggett Dr
Suite 2C
West Springfield, MA 01089-4638

Mailing address

46 Daggett Dr
Suite 2C
West Springfield, MA 01089-4638
Phone (413) 747-9224

National Provider Directory

National Provider Directory

Locations

46 Daggett Dr
Ste 2C
West Springfield, MA 01089
Phone (413) 747-9224

NPI Registry JSON

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

{
    "created_epoch": "1176422400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1124243555",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "46 DAGGETT DR",
            "address_2": "SUITE 2C",
            "city": "WEST SPRINGFIELD",
            "state": "MA",
            "postal_code": "010894638",
            "telephone_number": "413-747-9224",
            "fax_number": "413-747-0117"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "46 DAGGETT DR",
            "address_2": "SUITE 2C",
            "city": "WEST SPRINGFIELD",
            "state": "MA",
            "postal_code": "010894638",
            "telephone_number": "413-747-9224",
            "fax_number": "413-747-0117"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DRS. MACKLER, SIUREK AND ASSOCIATES",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-04-13",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "MACKLER",
        "authorized_official_first_name": "FREDERIC",
        "authorized_official_middle_name": "S",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "413-747-9224",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "D.M.D., M.A."
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dentist, General Practice",
            "state": "MA",
            "license": "11580",
            "primary": false
        },
        {
            "code": "1223P0300X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dentist, Periodontics",
            "state": "MA",
            "license": "11580",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in West Springfield, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.