John J Kadzielski, MD

Primary specialty

Orthopaedic Hand Surgery PhysicianTaxonomy code 207XS0106X

License

239683 Issued in MA

Practice address

300 Congress St Ste 304
Quincy, MA 02169-0907

Phone

(617) 773-2200

Fax

(617) 773-2202

NPI assigned

Feb 27, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 3

Medicare fee-for-service enrollment

Enrolled in MA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Orthopedic SurgeryAlso: Hand Surgery

Education

Tufts University School of Medicine, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

John Kadzielski MD PLLCGroup PAC ID 6507361789, 3 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Beth Israel Deaconess Hospital - Milton Hospital, Milton, MA, CCN 220108

Merit-based Incentive Payment System (MIPS)

Final score

76.46 of 100Reported as group

Quality

72.66

Promoting interoperability

92

Improvement activities

40

Cost

55.55

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• John Kadzielski MD PLLC

  • Orthopaedic Hand Surgery Physician
  • Quincy, MA
  • NPI 1043190499

  Orthopaedic Surgery

  Medicare reassignment Care Compare group NPD Authorized official
• South Shore Medical Center, Inc.

  • Internal Medicine Physician
  • Norwell, MA
  • NPI 1669411856

  Orthopaedic Surgery

  Medicare reassignment NPD
• South Shore Orthopedics LLC

  • Orthopaedic Surgery Physician
  • Hingham, MA
  • NPI 1720285018
  Medicare reassignment NPD
• South Shore Orthopedics, LLC

  • Orthopaedic Surgery Physician
  • Abington, MA
  • NPI 1629793591
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Beth Israel Deaconess Hospital Milton Inc

  • General Acute Care Hospital
  • Milton, MA
  • NPI 1174618953
  Care Compare affiliation

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

{
    "created_epoch": "1172534400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761177600000",
    "number": "1053448498",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "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"
        },
        {
            "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": {
        "last_name": "KADZIELSKI",
        "first_name": "JOHN",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-02-27",
        "last_updated": "2025-10-23",
        "certification_date": "2025-10-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XS0106X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Hand Surgery",
            "state": "MA",
            "license": "239683",
            "primary": true
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "MA",
            "license": "L-228167",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110088698A",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "1053448498",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS",
            "identifier": "479451",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Vania Jure
• Darkovna Widline Juste, PMHNP-BC
• Faith Danielle Justynski
• Heather Kaas, OD
• Jeffrey B Kadesh, DMD
• Walt A Kagan, M.D.
• Steven M Kahn, M.D.
• Linda Kain-Cohen, LICSW
• Cyril Kakulu
• Nina Marie Kalckar, LCSW

• Orthopaedic Hand Surgery Physician in Quincy, MA
• Providers in Quincy, MA by specialty
• Orthopaedic Hand Surgery Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 23, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.