William Ueng, MD

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

A189959 Issued in CA

Practice address

23530 Hawthorne Blvd Ste 100a
Torrance, CA 90505-4765

Phone

(310) 517-4705

NPI assigned

Mar 26, 2020

Last updated

Mar 23, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

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

Neurology

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Torrance Health Association IncGroup PAC ID 1355302134, 298 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Torrance Memorial Medical Center Hospital, Torrance, CA, CCN 050351

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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

• Torrance Health Association Inc

  dba Torrance Memorial Physician Network

  • Family Medicine Physician
  • Torrance, CA
  • NPI 1083903124
  Medicare reassignment Care Compare group NPD
• The Regents of the University of California-Irvine

  dba UC Irvine Hospitalist Program

  • Hospitalist Physician
  • Orange, CA
  • NPI 1154479723
  NPD (past)

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

• Torrance Memorial Medical Center

  • General Acute Care Hospital
  • Torrance, CA
  • NPI 1467459776
  Care Compare affiliation

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

{
    "created_epoch": "1585180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774224000000",
    "number": "1447887559",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23530 HAWTHORNE BLVD STE 100A",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905054765",
            "telephone_number": "310-517-4705"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23530 HAWTHORNE BLVD STE 100A",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905054765",
            "telephone_number": "310-517-4705"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "UENG",
        "first_name": "WILLIAM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-26",
        "last_updated": "2026-03-23",
        "certification_date": "2026-03-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "CA",
            "license": "A189959",
            "primary": true
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "CA",
            "license": "PTL5446",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ben Udas
• Charlene Uemura, PHARM.D
• Koji Uemura, D.C., L.AC.
• Lena Uemura, LA.C
• Mason Uemura, MD
• Anne-Lorrane Alapan Ugalde, NP
• Ramsey Ugarte
• Obiageli Uguru
• Maria Jesusa Ulit
• Cynthia Ulloa, OTR/L

• Neurology Physician in Torrance, CA
• Providers in Torrance, CA by specialty
• Neurology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 23, 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.