NPIMap

Organization Active NPI

John Kadzielski MD PLLC

  • Orthopaedic Hand Surgery Physician
  • Quincy, MA
National Provider Identifier
1043190499
Registry record updated Dec 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Hand Surgery PhysicianTaxonomy code 207XS0106X
Legal business name
JOHN KADZIELSKI MD PLLC
Doing business as
Hand & Upper Extremity Center of New England
Practice address
300 Congress St Ste 304
Quincy, MA 02169-0907
Phone
(617) 773-2200
Fax
(617) 773-2202
NPI assigned
Sep 5, 2025
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Dec 16, 2025

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

Authorized official

Name
John J Kadzielski, MDNPI 1053448498
Title
MD, Owner, Authorized Official
Phone
(617) 549-5219

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
Orthopaedic Surgery PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207X00000X
Orthopaedic Hand Surgery PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207XS0106X Primary

Addresses

Primary practice location

300 Congress St Ste 304
Quincy, MA 02169-0907

Mailing address

PO Box 3160
Andover, MA 01810-0803
Phone (978) 474-8885

Other identifiers 1

IdentifierTypeStateIssuer
110229273BMedicaidMA

Other names 1

  • Hand & Upper Extremity Center of New England Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20250926003424 MA Part B Supplier - Clinic/Group Practice 6507361789 Receives reassigned benefits from 4 practitioners
Practice locations: Hingham, MA; Quincy, MA
O20260106002569 MA DME Supplier - Physician - Hand SurgeryDME Supplier - Physician - Orthopedic/Orthopedic Surgery 6507361789 Practice locations: Quincy, MA

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 4

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1757030400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1765843200000",
    "number": "1043190499",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 3160",
            "city": "ANDOVER",
            "state": "MA",
            "postal_code": "018100803",
            "telephone_number": "978-474-8885",
            "fax_number": "978-474-8845"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 CONGRESS ST STE 304",
            "city": "QUINCY",
            "state": "MA",
            "postal_code": "021690907",
            "telephone_number": "617-773-2200",
            "fax_number": "617-773-2202"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "JOHN KADZIELSKI MD PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-09-05",
        "last_updated": "2025-12-16",
        "certification_date": "2025-12-16",
        "status": "A",
        "authorized_official_last_name": "KADZIELSKI",
        "authorized_official_first_name": "JOHN",
        "authorized_official_middle_name": "J",
        "authorized_official_title_or_position": "MD, OWNER, AUTHORIZED OFFICIAL",
        "authorized_official_telephone_number": "617-549-5219",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Orthopaedic Surgery",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207XS0106X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Orthopaedic Surgery, Hand Surgery",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110229273B",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Hand & Upper Extremity Center of New England",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Quincy, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 16, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.