Justin Youngjin Choi, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A148592 Issued in CA

Practice address

3330 Lomita Blvd
Torrance, CA 90505-5002

Phone

(310) 648-1552

NPI assigned

Mar 28, 2013

Sex

Male

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

Internal Medicine

Education

Loma Linda University School of Medicine, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Healthcare Partners Affiliates Medical GroupGroup PAC ID 7315842002, 775 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence Little Company of Mary Med Ctr Torrance Hospital, Torrance, CA, CCN 050353

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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

  dba Optum

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

  dba Optum

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Torrance Memorial Medical Center

  • Skilled Nursing Facility
  • Torrance, CA
  • NPI 1740268713
  NPD (past)
• Memorial Medical Group Inc

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

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

• Providence Health System Southern California

  dba Providence Little Company of Mary Medical Center Torrance

  • General Acute Care Hospital
  • Torrance, CA
  • NPI 1902844988
  Care Compare affiliation

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

{
    "created_epoch": "1364428800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765152000000",
    "number": "1235472267",
    "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": "3330 LOMITA BLVD",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905055002",
            "telephone_number": "310-648-1552"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHOI",
        "first_name": "JUSTIN",
        "middle_name": "YOUNGJIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-03-28",
        "last_updated": "2025-12-08",
        "certification_date": "2025-12-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A148592",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hoyong Choi, DMD
• Hye Won Choi, L.AC.
• Hyeseong Choi
• Jinah Kim Choi, FNP-BC
• Jungil Choi
• Mark Sukjoon Choi
• Patrick Kim Choi, MD
• Yoonho Edward Choi, L.AC.
• Deborah Chon, M.D.
• Chong U Kim MD Inc

• Internal Medicine Physician in Torrance, CA
• Providers in Torrance, 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 Dec 8, 2025; 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.