NPIMap

Organization Active NPI

Greenfield Primary Care PLLC

Doing business as Bridge Primary

  • Family Medicine Physician
  • Greenfield, MA
National Provider Identifier
1386247625
Registry record updated Jul 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
Legal business name
GREENFIELD PRIMARY CARE PLLC
Doing business as
Bridge Primary
Practice address
55 Federal St Ste 220
Greenfield, MA 01301-2592
Phone
(413) 225-2792
Fax
(833) 941-2303
NPI assigned
Nov 19, 2020
Last updated
Jul 29, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 29, 2025

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

Authorized official

Name
Dean W SingerNPI 1396131538
Title
Owner
Phone
(413) 225-2792

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 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X Primary
Health Service Clinic/Center 261QH0100X

Addresses

Primary practice location

55 Federal St Ste 220
Greenfield, MA 01301-2592

Mailing address

55 Federal St Ste 220
Greenfield, MA 01301-2592
Phone (413) 225-2792

Other names 1

  • Bridge Primary Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20210224001866 MA Part B Supplier - Clinic/Group Practice 6204241235 Receives reassigned benefits from 8 practitioners
Practice locations: Greenfield, MA

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
22D2233753Greenfield Primary Care PLLC Dba Bridge Primary55 Federal St Suite 220, Greenfield, MA 01301Certificate of waiverAug 24, 2027

National Provider Directory

National Provider Directory

Locations

442 Main St
Unit 163
Greenfield, MA 01302

55 Federal St
Ste 150
Greenfield, MA 01301
Phone (413) 585-1300

Practitioners & affiliated clinicians

Practitioners 10

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": "1605744000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1753747200000",
    "number": "1386247625",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 FEDERAL ST STE 220",
            "city": "GREENFIELD",
            "state": "MA",
            "postal_code": "013012592",
            "telephone_number": "413-225-2792",
            "fax_number": "833-941-2303"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FEDERAL ST STE 220",
            "city": "GREENFIELD",
            "state": "MA",
            "postal_code": "013012592",
            "telephone_number": "413-225-2792",
            "fax_number": "833-941-2303"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GREENFIELD PRIMARY CARE PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2020-11-19",
        "last_updated": "2025-07-29",
        "certification_date": "2025-07-29",
        "status": "A",
        "authorized_official_last_name": "SINGER",
        "authorized_official_first_name": "DEAN",
        "authorized_official_middle_name": "W",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "413-225-2792"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "261QH0100X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Health Service",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Bridge Primary",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Greenfield, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.