John Cassidy Duffy, D.C.

Primary specialty

ChiropractorTaxonomy code 111N00000X

License

1644 Issued in MA

Practice address

136 Bacon St
Waltham, MA 02451-0797

Phone

(781) 894-4270

NPI assigned

Nov 21, 2007

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

Medicare fee-for-service enrollment

Enrolled in MA

Enrollment records 1

Specialty

Chiropractic

Education

Life Chiropractic College, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

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.

• Waltham Chiropractic PC

  • Chiropractor
  • Waltham, MA
  • NPI 1689719502
  NPD (past) Authorized official

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

{
    "created_epoch": "1195603200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1690243200000",
    "number": "1942481627",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "136 BACON ST",
            "city": "WALTHAM",
            "state": "MA",
            "postal_code": "024510797",
            "telephone_number": "781-894-4270"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "136 BACON ST",
            "city": "WALTHAM",
            "state": "MA",
            "postal_code": "024510797",
            "telephone_number": "781-894-4270"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUFFY",
        "first_name": "JOHN",
        "middle_name": "CASSIDY",
        "name_prefix": "Dr.",
        "credential": "D.C.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-11-21",
        "last_updated": "2023-07-25",
        "certification_date": "2023-07-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "MA",
            "license": "1644",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• DTS Medical Supplies LLC
• Jonathan Duarte
• Jillian Dubray
• Margaret Duddy, APRN
• Catherine Duffy
• Dennis Dugan, R.N.
• Sarah U Duggan
• Lillian Dunn, MS, CCC-SLP
• Ana Julia Dunphy
• Erica May Dupree, OT

• Chiropractor in Waltham, MA
• Providers in Waltham, MA by specialty
• Chiropractor in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 25, 2023; 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.