Organization Active NPI

Matthew Yuen DDS

  • General Practice Dentistry
  • Castro Valley, CA
National Provider Identifier
1023937034
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice DentistryTaxonomy code 1223G0001X
Legal business name
MATTHEW YUEN DDS
Practice address
20995 Redwood Rd
Castro Valley, CA 94546-5919
Phone
(510) 872-1326
NPI assigned
Jul 13, 2026
Organization subpart
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

Authorized official

Name
Matthew Yuen, DDS
Title
Dentist
Phone
(510) 872-1326

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
General Practice DentistryGroup: 193400000X SINGLE SPECIALTY GROUP 1223G0001X Primary

Addresses

Primary practice location

20995 Redwood Rd
Castro Valley, CA 94546-5919

Mailing address

20995 Redwood Rd
Castro Valley, CA 94546-5919

National Provider Directory

National Provider Directory
Tax ID family
Matthew Yuen DDS2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

Locations

20995 Redwood Rd
Castro Valley, CA 94546
Phone (510) 272-0660

NPI Registry JSON

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

{
    "created_epoch": "1783900800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1783900800000",
    "number": "1023937034",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20995 REDWOOD RD",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945465919"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20995 REDWOOD RD",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945465919",
            "telephone_number": "510-872-1326"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MATTHEW YUEN DDS",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-07-13",
        "last_updated": "2026-07-13",
        "certification_date": "2026-07-13",
        "status": "A",
        "authorized_official_last_name": "YUEN",
        "authorized_official_first_name": "MATTHEW",
        "authorized_official_title_or_position": "DENTIST",
        "authorized_official_telephone_number": "510-872-1326",
        "authorized_official_credential": "DDS"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dentist, General Practice",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Castro Valley, CA

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.