Individual provider Active NPI

Ethan W Hsu

  • Internal Medicine Physician
  • Lancaster, CA
National Provider Identifier
1982270401
Registry record updated Jun 28, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A193086 Issued in CA
Practice address
44750 60TH St W
Lancaster, CA 93536-7619
Phone
(661) 729-2000
NPI assigned
Jun 3, 2021
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 28, 2024

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A193086 CA Primary

Addresses

Primary practice location

44750 60TH St W
Lancaster, CA 93536-7619

Mailing address

44750 60TH St W
Lancaster, CA 93536-7619

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
I20250828004440 CA Practitioner - Internal Medicine 2769983923 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2024
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

335 E Ave I
Lancaster, CA 93535

335 E Ave I
Lancaster, CA 93535-1916

Hospital & facility affiliations

  • Vista Home Health Services, Inc Home health agency, Palmdale, CA, CCN 557500
  • Lac/Olive View-UCLA Medical Center Hospital, Sylmar, CA, CCN 050040

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A193086CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
County of Los Angeles CurrentSince Jun 14, 2025 Accepting new patients
County of Los Angeles Auditor Controller CurrentSince Jun 14, 2025 Accepting new patients
Corrections and Rehabilitation-Headquarters CurrentSince Jun 30, 2024 Accepting new patients
County of Los Angeles Current Accepting new patients

Locations

1000 S Fremont Ave
Bldg A11
Alhambra, CA 91803
Phone (626) 457-4240

44750 60th St W
Lancaster, CA 93536
Phone (661) 729-2000

335 E Avenue I
Lancaster, CA 93535
Phone (661) 471-4000

Organizations & group practices 4

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1622678400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1719532800000",
    "number": "1982270401",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "44750 60TH ST W",
            "city": "LANCASTER",
            "state": "CA",
            "postal_code": "935367619"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "44750 60TH ST W",
            "city": "LANCASTER",
            "state": "CA",
            "postal_code": "935367619",
            "telephone_number": "661-729-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HSU",
        "first_name": "ETHAN",
        "middle_name": "W",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-06-03",
        "last_updated": "2024-06-28",
        "certification_date": "2024-06-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A193086",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lancaster, CA

Sources for this page

Verify at the official NPI Registry.