NPIMap

Individual provider Active NPI

Lin Ho Hwang

  • Diagnostic Radiology Physician
  • Orange, CA
National Provider Identifier
1831727510
Registry record updated Jun 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
20A23325 Issued in CA
Practice address
101 The City Dr S
Orange, CA 92868-3201
Phone
(714) 456-7237
NPI assigned
Mar 30, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 3, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Body Imaging Physician 2085B0100X 20A23325 CA
Diagnostic Radiology Physician 2085R0202X 20A23325 CA Primary

Addresses

Primary practice location

101 The City Dr S
Orange, CA 92868-3201

Mailing address

101 The City Dr S
Orange, CA 92868-3201

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250530000388 CA Practitioner - Diagnostic Radiology 4486056678 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Geisinger-HM Joint Venture LLCGroup PAC ID 1355676370, 426 clinicians
Geisinger ClinicGroup PAC ID 5395657001, 3,432 clinicians
UC RegentsGroup PAC ID 3274446182, 105 clinicians

Practice addresses (Care Compare)

Riverside, CA 92501
Phone (570) 271-6144

101 The City Dr S
Orange, CA 92868-3201
Phone (714) 456-7004

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
20A23325CAMDBody Imaging Physician

Practice roles

OrganizationSpecialtyStatusNew patients
UC Regents Diagnostic Radiology CurrentSince Jul 1, 2025 Accepting new patients
Geisinger-HM Joint Venture, LLC CurrentSince Jan 10, 2026 Accepting new patients
Geisinger-HM Joint Venture, LLC CurrentSince Jan 10, 2026 Accepting new patients
Geisinger Clinic Diagnostic Radiology CurrentSince Jan 12, 2026 Accepting new patients
UC Regents Diagnostic Radiology CurrentSince Jul 1, 2025 Accepting new patients
University of California Irvine Past Accepting new patients

Locations

101 The City Dr S
Orange, CA 92868
Phone (714) 456-6054

Organizations & group practices 7

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 60

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

View all 60

NPI Registry JSON

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

{
    "created_epoch": "1585526400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748908800000",
    "number": "1831727510",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "714-456-7237"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HWANG",
        "first_name": "LIN",
        "middle_name": "HO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-30",
        "last_updated": "2025-06-03",
        "certification_date": "2025-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085B0100X",
            "taxonomy_group": "",
            "desc": "Radiology, Body Imaging",
            "state": "CA",
            "license": "20A23325",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "20A23325",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

Verify at the official NPI Registry.