Individual provider Active NPI

Thomas Mark Alun Vaughan, BDS FDS MORTH. MSC

  • Orthodontics and Dentofacial Orthopedics Dentistry
  • San Francisco, CA
National Provider Identifier
1235072638
Registry record updated Apr 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthodontics and Dentofacial Orthopedics DentistryTaxonomy code 1223X0400X
License
SP334 Issued in CA
Practice address
155 5TH St
San Francisco, CA 94103
Phone
(415) 706-7446
NPI assigned
Apr 10, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 10, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthodontics and Dentofacial Orthopedics Dentistry 1223X0400X SP334 CA Primary

Addresses

Primary practice location

155 5TH St
San Francisco, CA 94103

Mailing address

27 Park Ridge Rd
San Rafael, CA 94903-1816
Phone (650) 398-9586

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
SP334CAMDOrthodontics and Dentofacial Orthopedic Dentist

NPI Registry JSON

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

{
    "created_epoch": "1775779200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775779200000",
    "number": "1235072638",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "27 PARK RIDGE RD",
            "city": "SAN RAFAEL",
            "state": "CA",
            "postal_code": "949031816",
            "telephone_number": "650-398-9586"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "155 5TH ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "94103",
            "telephone_number": "415-706-7446"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VAUGHAN",
        "first_name": "THOMAS",
        "middle_name": "MARK ALUN",
        "name_prefix": "Dr.",
        "credential": "BDS FDS MORTH. MSC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-04-10",
        "last_updated": "2026-04-10",
        "certification_date": "2026-04-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223X0400X",
            "taxonomy_group": "",
            "desc": "Dentist, Orthodontics and Dentofacial Orthopedics",
            "state": "CA",
            "license": "SP334",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 10, 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.