Matthew Kirkpatrick Williams

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

342210 Issued in NY

Practice address

1 Gustave L Levy PL
New York, NY 10029-6504

Phone

(212) 241-6500

NPI assigned

Mar 23, 2022

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

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

Anesthesiology

Education

Other, 2022

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• North Shore - Lij Anesthesiology, PC

  • Anesthesiology Physician
  • Chappaqua, NY
  • NPI 1417401266
  Medicare reassignment NPD

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

{
    "created_epoch": "1647993600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770768000000",
    "number": "1598414773",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 GUSTAVE L LEVY PL",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100296504"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 GUSTAVE L LEVY PL",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100296504",
            "telephone_number": "212-241-6500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "MATTHEW",
        "middle_name": "KIRKPATRICK",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-23",
        "last_updated": "2026-02-11",
        "certification_date": "2026-02-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "NY",
            "license": "342210",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marissa Williams, LPN
• Mark Williams, DPT
• Marvin Gaye Williams, MD
• Masrai Kennard Williams, MD
• Mathew R Williams I, M.D.
• Mercedes Williams
• Merlin G Williams, L.AC.
• Mica Carmen Green Williams
• Michelle Williams, LCSW
• Michelle N Williams, NP

• Anesthesiology Physician in New York, NY
• Providers in New York, NY by specialty
• Anesthesiology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 11, 2026; 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.