Individual provider Active NPI

Sarah Eunha Kim

  • Dentist
  • Union City, CA
National Provider Identifier
1740855618
Registry record updated Apr 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
DentistTaxonomy code 122300000X
License
DD5477 Issued in NM
Practice address
4138 Dyer St Ste 3
Union City, CA 94587-3975
Phone
(510) 487-4800
NPI assigned
May 24, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 27, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Dentist 122300000X DD5477 NM Primary
Dentist 122300000X DDS108665 CA

Addresses

Primary practice location

4138 Dyer St Ste 3
Union City, CA 94587-3975

Mailing address

4138 Dyer St Ste 3
Union City, CA 94587-3975
Phone (510) 487-4800

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
DDS108665CAMDDentist
DD5477NMMDDentist

Practice roles

OrganizationSpecialtyStatusNew patients
Sarah Kim DDS Dental Corp CurrentSince Nov 9, 2025 Accepting new patients
Ricardo Morales DDS & Olga Morales DDS Inc Past Accepting new patients

Locations

4138 Dyer St
Ste 3
Union City, CA 94587
Phone (510) 487-4800

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1621814400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777248000000",
    "number": "1740855618",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4138 DYER ST STE 3",
            "city": "UNION CITY",
            "state": "CA",
            "postal_code": "945873975",
            "telephone_number": "510-487-4800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4138 DYER ST STE 3",
            "city": "UNION CITY",
            "state": "CA",
            "postal_code": "945873975",
            "telephone_number": "510-487-4800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KIM",
        "first_name": "SARAH",
        "middle_name": "EUNHA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-05-24",
        "last_updated": "2026-04-27",
        "certification_date": "2026-04-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "NM",
            "license": "DD5477",
            "primary": true
        },
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "CA",
            "license": "DDS108665",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Union City, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 27, 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.