Individual provider Active NPI

Arnold Tsai, M.D.

  • Hospitalist Physician
  • Los Angeles, CA
National Provider Identifier
1043522154
Registry record updated Nov 27, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
A116863 Issued in CA
Practice address
1500 San Pablo St
Los Angeles, CA 90033-5313
Phone
(323) 442-5100
NPI assigned
Jul 6, 2010
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 27, 2023

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A116863 CA
Hospitalist Physician 208M00000X A116863 CA Primary

Addresses

Primary practice location

1500 San Pablo St
Los Angeles, CA 90033-5313

Mailing address

PO Box 31309
Los Angeles, CA 90031-0309
Phone (323) 442-5100

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address arnold.tsai@direct.usc.edu Direct USC CARE MEDICAL GROUP, INC

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20111230000328 CA Practitioner - HospitalistPractitioner - Internal Medicine 4981892684 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Usc Care Medical Group, Inc Internal Medicine CurrentSince Nov 1, 2011 Accepting new patients
Usc Care Medical Group, Inc CurrentSince Nov 1, 2011 Accepting new patients

Locations

1500 San Pablo St
Los Angeles, CA 90033
Phone (323) 443-8500

1520 San Pablo St
Los Angeles, CA 90033
Phone (323) 442-5849

1520 San Pablo St
Ste 1000
Los Angeles, CA 90033
Phone (626) 457-5839

Interoperability endpoints

  • Direct secure messaging: arnold.tsai@direct.usc.edu

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1278374400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1701043200000",
    "number": "1043522154",
    "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": "1500 SAN PABLO ST",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900335313",
            "telephone_number": "323-442-5100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TSAI",
        "first_name": "ARNOLD",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-07-06",
        "last_updated": "2023-11-27",
        "certification_date": "2020-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A116863",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "A116863",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "arnold.tsai@direct.usc.edu",
            "affiliation": "Y",
            "affiliationName": "USC CARE MEDICAL GROUP, INC",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "1500 San Pablo St",
            "city": "Los Angeles",
            "state": "CA",
            "country_code": "US",
            "postal_code": "900335313",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

Verify at the official NPI Registry.