Alec David Borsook, MD

Primary specialty

Hospice and Palliative Medicine (Internal Medicine) PhysicianTaxonomy code 207RH0002X

License

A192620 Issued in CA

Practice address

1450 San Pablo St Ste 3000
Los Angeles, CA 90033-5332

Phone

(323) 442-5100

NPI assigned

Mar 25, 2021

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

Hospice/Palliative Care

Education

University of Southern California Keck School of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Usc Care Medical Group IncGroup PAC ID 0446157747, 1,378 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Keck Hospital of Usc Hospital, Los Angeles, CA, CCN 050696
• Usc Kenneth Norris Jr Cancer Hospital Hospital, Los Angeles, CA, CCN 050660

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 and National Provider Directory roles.

• Usc Care Medical Group, Inc

  • General Practice Physician
  • Los Angeles, CA
  • NPI 1902846306
  Medicare reassignment Care Compare group NPD
• Usc Care Medical Group, Inc

  dba Fair Oaks Clinic

  • Durable Medical Equipment & Medical Supplies
  • Pasadena, CA
  • NPI 1427937390
  NPD

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

• Keck Medical Center of Usc

  dba Keck Hospital of USC

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1013514199
  Care Compare affiliation
• Keck Medical Center of Usc

  dba USC Kenneth Norris Jr. Hospital

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1417554528
  Care Compare affiliation

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

{
    "created_epoch": "1616630400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754611200000",
    "number": "1841877016",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 31309",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900310309",
            "telephone_number": "323-442-5100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1450 SAN PABLO ST STE 3000",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900335332",
            "telephone_number": "323-442-5100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BORSOOK",
        "first_name": "ALEC",
        "middle_name": "DAVID",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-03-25",
        "last_updated": "2025-08-08",
        "certification_date": "2025-08-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0002X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hospice and Palliative Medicine",
            "state": "CA",
            "license": "A192620",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joseph Alexander Borrell, MEDICAL STUDENT
• Kirra Kilinoeokeaoula Eri Borrello
• Josephine Mendezona Borromeo, FNP-BC
• Kristin Marie Borsack, M.S., C.G.C.
• Sheldon Dale Borson III, MD
• Irving Borstein, PH.D.
• Katharine Maile Borthwick
• Andrea Bortnik
• Bobbie Borunda
• Claudia Borunda

• Hospice and Palliative Medicine (Internal Medicine) Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Hospice and Palliative Medicine (Internal Medicine) Physician in California

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