Joshua Siu, DO

Primary specialty

Addiction Medicine (Family Medicine) PhysicianTaxonomy code 207QA0401X

License

20A25204 Issued in CA

Practice address

11234 Anderson St
Loma Linda, CA 92350-1716

Phone

(909) 558-6131

NPI assigned

Apr 10, 2023

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in NV

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

Family Practice

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Urgent Care Nevada LLCGroup PAC ID 7012137037, 106 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jsiu119720@westdirect.optum.com

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.

• Urgent Care Nevada, LLC

  • Urgent Care Clinic/Center
  • Henderson, NV
  • NPI 1134546575
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1681084800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782950400000",
    "number": "1689369332",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11234 ANDERSON ST",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923501716"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11234 ANDERSON ST",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923501716",
            "telephone_number": "909-558-6131"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIU",
        "first_name": "JOSHUA",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-04-10",
        "last_updated": "2026-07-02",
        "certification_date": "2026-07-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QA0401X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Addiction Medicine",
            "state": "CA",
            "license": "20A25204",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NV",
            "license": "DO3967",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Edwin Siregar
• Francis Sirna, P.A.
• Alvin Sitompul, D.D.S.
• Anita Sitorus, RN
• Evie Siregar Sitorus, RN
• Sharmayne Tammie Siu
• Ambika Sivanandam, MD
• Gurjit Singh Sivia, M.D.
• Gavin Skeoch
• Skin Guard Cali Corp

• Addiction Medicine (Family Medicine) Physician in Loma Linda, CA
• Providers in Loma Linda, CA by specialty
• Addiction Medicine (Family Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 2, 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.