Masrai Kennard Williams, MD

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

337702 Issued in NY

Practice address

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

Phone

(212) 241-7076

NPI assigned

Mar 29, 2021

Sex

Male

Sole proprietor

Yes

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

NeurologyAlso: Sleep Medicine

Education

Icahn School of Medicine at Mount Sinai, 2021

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1616976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787097600000",
    "number": "1477130011",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "425 E 61ST ST FL 5",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100658722",
            "telephone_number": "646-962-9326",
            "fax_number": "646-962-0455"
        },
        {
            "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": "212-241-7076"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "MASRAI",
        "middle_name": "KENNARD",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-03-29",
        "last_updated": "2026-08-19",
        "certification_date": "2026-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "NY",
            "license": "337702",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mariella Williams, LMSW
• Marilyn Williams, PSYCHOLOGIST
• Marissa Williams, LPN
• Mark Williams, DPT
• Marvin Gaye Williams, MD
• Mathew R Williams I, M.D.
• Matthew Kirkpatrick Williams
• Mercedes Williams
• Merlin G Williams, L.AC.
• Mica Carmen Green Williams

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 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.