Individual provider Active NPI

William Randolph Lang, DDS

  • Dentist
  • Williamsville, NY
National Provider Identifier
1730169137
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
DentistTaxonomy code 122300000X
License
0320601 Issued in NY
Practice address
6653 Main Street
Williamsville, NY 14221
Phone
(716) 626-9525
Fax
(716) 626-9547
NPI assigned
Jan 20, 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 0320601 NY Primary

Addresses

Primary practice location

6653 Main Street
Williamsville, NY 14221

Mailing address

6653 Main Street
Williamsville, NY 14221
Phone (716) 626-9525

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)
Not enrolled

State licenses

LicenseStateTypeSpecialty
0320601NYMDDentist

NPI Registry JSON

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

{
    "created_epoch": "1137715200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1730169137",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6653 MAIN STREET",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "14221",
            "telephone_number": "716-626-9525",
            "fax_number": "716-626-9547"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6653 MAIN STREET",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "14221",
            "telephone_number": "716-626-9525",
            "fax_number": "716-626-9547"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LANG",
        "first_name": "WILLIAM",
        "middle_name": "RANDOLPH",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-20",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "NY",
            "license": "0320601",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Williamsville, 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.