Active NPI
DRS. Mackler, Siurek and Associates
- Periodontics
- West Springfield, MA
National Provider Identifier
1124243555
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Periodontics
- License
- 11580
- 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
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) | Code | License | State | Primary |
|---|---|---|---|---|
| General Practice Dentistry | 1223G0001X | 11580 | MA | |
| Periodontics | 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 DirectoryLocations
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.