Individual provider Active NPI

John Barry Williamson, D.D.S.

  • Dentist
  • San Leandro, CA
National Provider Identifier
1699924712
Registry record updated Sep 12, 2008
On this page

Key facts

NPPES NPI Registry
Primary specialty
DentistTaxonomy code 122300000X
License
33404 Issued in CA
Practice address
1450 Bancroft Ave.
San Leandro, CA 94577
Phone
(510) 483-2412
Fax
(510) 483-2517
NPI assigned
Sep 12, 2008
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 12, 2008

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dentist 122300000X 33404 CA Primary

Addresses

Primary practice location

1450 Bancroft Ave.
San Leandro, CA 94577

Mailing address

1450 Bancroft Ave.
San Leandro, CA 94577
Phone (510) 483-2412

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

NPI Registry JSON

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

{
    "created_epoch": "1221177600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1221177600000",
    "number": "1699924712",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1450 BANCROFT AVE.",
            "city": "SAN LEANDRO",
            "state": "CA",
            "postal_code": "94577",
            "telephone_number": "510-483-2412",
            "fax_number": "510-483-2517"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1450 BANCROFT AVE.",
            "city": "SAN LEANDRO",
            "state": "CA",
            "postal_code": "94577",
            "telephone_number": "510-483-2412",
            "fax_number": "510-483-2517"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMSON",
        "first_name": "JOHN",
        "middle_name": "BARRY",
        "name_prefix": "Mr.",
        "credential": "D.D.S.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-09-12",
        "last_updated": "2008-09-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "CA",
            "license": "33404",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Leandro, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 12, 2008; 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.