Sophia Tiene, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

A189699 Issued in CA

Practice address

757 Westwood PLZ Ste 1517
Los Angeles, CA 90095-8358

Phone

(310) 794-0580

NPI assigned

Apr 12, 2022

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Emergency Medicine

Education

Other, 2022

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Antelope Valley Hospital Hospital, Lancaster, CA, CCN 050056

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Antelope Valley Health Care District

  • General Acute Care Hospital
  • Lancaster, CA
  • NPI 1366419517
  Care Compare affiliation

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

{
    "created_epoch": "1649721600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1740922434",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5767 W CENTURY BLVD STE 400",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900455631"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "757 WESTWOOD PLZ STE 1517",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900958358",
            "telephone_number": "310-794-0580"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TIENE",
        "first_name": "SOPHIA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-04-12",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A189699",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christopher Tien
• Elizabeth Tien, M.D.
• Jessie Tien, OTR/L
• Juan B.L. Tienda, O.D.
• Sara Sanjuana Lucia Tienda, MSW
• Joanne Tierney, NP
• John J. Tierney, M.D.
• Katherine E Tierney, M.D.
• Benjamin Tiet, M.D.
• Kathleen Tiet

• Emergency Medicine Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Emergency Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.