John Niedzwicki, M.D.

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

License

74834 Issued in MA

Practice address

535 Faunce Corner Rd
Dartmouth, MA 02747-1242

Phone

(508) 996-3991

NPI assigned

Feb 28, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: john.niedzwicki.1@2017.direct.athenahealth.com

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.

• Lifespan Physician Group of Massachusetts Inc

  • Family Medicine Physician
  • Taunton, MA
  • NPI 1235957713
  Medicare reassignment NPD
• Steward Medical Group, Inc

  • Internal Medicine Physician
  • Dartmouth, MA
  • NPI 1821349317
  Medicare reassignment NPD
• Steward Medical Group, Inc

  • Specialist
  • Brighton, MA
  • NPI 1356654495
  NPD
• Hawthorn Medical Associates, LLC

  • Adult Health Nurse Practitioner
  • North Dartmouth, MA
  • NPI 1508825811

  Medical Oncology

  NPD (past)
• Hawthorn Medical Associates, LLC

  • Durable Medical Equipment & Medical Supplies
  • Dartmouth, MA
  • NPI 1659649853
  NPD (past)

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

{
    "created_epoch": "1141084800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1682294400000",
    "number": "1306812367",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "535 FAUNCE CORNER RD",
            "city": "DARTMOUTH",
            "state": "MA",
            "postal_code": "027471242",
            "telephone_number": "508-996-3991"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "535 FAUNCE CORNER RD",
            "city": "DARTMOUTH",
            "state": "MA",
            "postal_code": "027471242",
            "telephone_number": "508-996-3991"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "535 Faunce Corner Road",
            "address_purpose": "LOCATION",
            "city": "North Dartmouth",
            "state": "MA",
            "postal_code": "027473713",
            "country_code": "US",
            "telephone_number": "508-961-0710",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIEDZWICKI",
        "first_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-28",
        "last_updated": "2023-04-24",
        "certification_date": "2023-04-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "MA",
            "license": "74834",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3091112",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Derek Alexander Mumaw, MD
• Sara Lynn Munger, OTR
• MW Wellness Ventures IV LLC
• Timothy Nace, MD
• Allison Kayla Neves, FNP-BC
• Robert E Nixon, M.D.
• Stephanie Noble, AU.D.
• Northeast Behavioral Health, LLC
• Northland Hearing Center Inc
• Northland Hearing Centers, Inc.

• Medical Oncology Physician in Dartmouth, MA
• Providers in Dartmouth, MA by specialty
• Medical Oncology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 24, 2023; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.