Individual provider Active NPI

Sonya Janet Koo, MD

  • Nuclear Radiology Physician
  • Orange, CA
National Provider Identifier
1386983138
Registry record updated Oct 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nuclear Radiology PhysicianTaxonomy code 2085N0904X
License
A110482 Issued in CA
Practice address
101 The City Dr S
Orange, CA 92868-3201
Phone
(714) 456-8888
NPI assigned
Feb 13, 2013
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 27, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nuclear Radiology Physician 2085N0904X A110482 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: 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
I20160921001782 CA Practitioner - Nuclear MedicinePractitioner - Diagnostic RadiologyPractitioner - Interventional Radiology 9133341720 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nuclear Medicine
Education
Un of California, Irvine, College of Medicine, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
UC RegentsGroup PAC ID 3274446182, 105 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

  • Uci Health-Orange Hospital, Orange, CA, CCN 050348

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
110482CAMDMarriage & Family Therapist
A110482CAMDNuclear Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
UC Regents CurrentSince Nov 15, 2025 Accepting new patients
UC Regents CurrentSince Nov 15, 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 3

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": "1360713600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761523200000",
    "number": "1386983138",
    "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": "714-456-8888"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOO",
        "first_name": "SONYA",
        "middle_name": "JANET",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-02-13",
        "last_updated": "2025-10-27",
        "certification_date": "2025-10-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085N0904X",
            "taxonomy_group": "",
            "desc": "Radiology, Nuclear Radiology",
            "state": "CA",
            "license": "A110482",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

Verify at the official NPI Registry.