Individual provider Active NPI

Warren Arthur Williams, DDS

  • Dentist
  • Brooklyn, NY
National Provider Identifier
1578531869
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
DentistTaxonomy code 122300000X
License
039121 Issued in NY
Practice address
450 E 18TH St
Brooklyn, NY 11226
Phone
(718) 462-2300
NPI assigned
Mar 10, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dentist 122300000X 039121 NY Primary

Addresses

Primary practice location

450 E 18TH St
Brooklyn, NY 11226

Mailing address

450 E 18TH St
Brooklyn, NY 11226
Phone (718) 462-2300

Other identifiers 1

IdentifierTypeStateIssuer
00959128MedicaidNY

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
039121NYMDDentist

NPI Registry JSON

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

{
    "created_epoch": "1141948800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1578531869",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 E 18TH ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "11226",
            "telephone_number": "718-462-2300",
            "fax_number": "718-462-0333"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 E 18TH ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "11226",
            "telephone_number": "718-462-2300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "WARREN",
        "middle_name": "ARTHUR",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-10",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "NY",
            "license": "039121",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00959128",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Brooklyn, NY

Sources for this page

  • 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.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.