Bertran Hsieh, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A96016 Issued in CA

Practice address

1120 W Washington Blvd Ste 2B
Los Angeles, CA 90015-3316

Phone

(213) 623-2225

NPI assigned

Aug 6, 2007

Sex

Male

Sole proprietor

Yes

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

Internal Medicine

Education

New York Medical College, 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Healthcare Partners Affiliates Medical GroupGroup PAC ID 7315842002, 775 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: bhsieh205707@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.

• Healthcare Partners Affiliates Medical Group

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593
  Medicare reassignment Care Compare group NPD
• Healthcare Partners Affiliates Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Dignity Community Care

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1114081056
  NPD (past)
• Memorial Medical Group Inc

  • Durable Medical Equipment & Medical Supplies
  • Phoenix, AZ
  • NPI 1255523643
  NPD (past)

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

{
    "created_epoch": "1186358400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773014400000",
    "number": "1336330323",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1120 W WASHINGTON BLVD STE 2B",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900153316",
            "telephone_number": "213-623-2225"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2603 Via Campo",
            "address_purpose": "LOCATION",
            "city": "Montebello",
            "state": "CA",
            "postal_code": "906401807",
            "country_code": "US",
            "telephone_number": "323-720-1144",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HSIEH",
        "first_name": "BERTRAN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-08-06",
        "last_updated": "2026-03-09",
        "certification_date": "2026-03-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A96016",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jennifer Lin Hsiao, M.D.
• Jonie Jen-Yu Hsiao, M.D.
• Joyce Hsiao, DO
• Margaret Hsiau, M.D.
• Aileen Hsieh, MSW
• Cassidy Hsieh, PHARMD
• Chrissy Y Hsieh, M.D.
• Christine Hsieh, M.D.
• Emily Hsieh, M.D.
• Eric Peihsun Hsieh, M.D.

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 9, 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.