Steven Michael McMahon, D.C.

Primary specialty

Neurology ChiropractorTaxonomy code 111NN0400X

License

X007469 Issued in NY

Practice address

231 W 21St St
Lower Level
New York, NY 10011-3116

Phone

(212) 243-6384

Fax

(212) 243-6142

NPI assigned

Jun 5, 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

Medicare fee-for-service enrollment

Enrolled in NY

Enrollment records 1

Specialty

Chiropractic

Education

Other, 1993

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.

• McMahon Chiropractic LLC

  • Rehabilitation Chiropractor
  • New York, NY
  • NPI 1902022965
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1149465600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1497794747",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "231 W 21ST ST",
            "address_2": "LOWER LEVEL",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100113116",
            "telephone_number": "212-243-6384",
            "fax_number": "212-243-6142"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "231 W 21ST ST",
            "address_2": "LOWER LEVEL",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100113116",
            "telephone_number": "212-243-6384",
            "fax_number": "212-243-6142"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCMAHON",
        "first_name": "STEVEN",
        "middle_name": "MICHAEL",
        "credential": "D.C.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-05",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111NN0400X",
            "taxonomy_group": "",
            "desc": "Chiropractor, Neurology",
            "state": "NY",
            "license": "X007469",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Fiona McMahon, DPT,PT
• Julie Ellen McMahon, CPNP-AC
• Mark S McMahon, MD
• Mary Ellen McMahon
• Meghan McMahon
• Susan F McMahon
• Kevin McManaway
• Hilary Lynn McManus, AUD
• James Macaulay McManus, LCSW
• Jillian McManus, MS, LMHC, NCC

• Neurology Chiropractor in New York, NY
• Providers in New York, NY by specialty
• Neurology Chiropractor in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.