Individual provider Active NPI

Chiew-Jen Ong, MD

  • Diagnostic Radiology Physician
  • Indianapolis, IN
National Provider Identifier
1164058152
Registry record updated Oct 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
01096103A Issued in IN
Practice address
550 University Blvd
Indianapolis, IN 46202-5149
Phone
(317) 274-0010
NPI assigned
Mar 21, 2020
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 1, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 01096103A IN Primary
Student in an Organized Health Care Education/Training Program 390200000X
Diagnostic Radiology Physician 2085R0202X 125077302 IL

Addresses

Primary practice location

550 University Blvd
Indianapolis, IN 46202-5149

Mailing address

2160 S 1St Ave
Maywood, IL 60153-3328
Phone (708) 216-9000

Other practice location 1

2160 S 1st Ave
Maywood, IL 60153-3328
Phone (708) 216-9000

Other practice location 2

1701 N Senate Blvd
Indianapolis, IN 46202-1239
Phone (317) 962-6793

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address cong@direct.iuhealth.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IN, IL2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20250515002081 IN Practitioner - Diagnostic Radiology 3274955067 Reassigns benefits to 2 organizations
I20250822003163 IL Practitioner - Diagnostic Radiology 3274955067 Reassigns benefits to 1 organization

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
Iu Health Medical Group LLCGroup PAC ID 9638617913, 4,382 clinicians
Indiana University Radiology Associates IncGroup PAC ID 7315922267, 213 clinicians

Practice addresses (Care Compare)

1701 N Senate Blvd
Indianapolis, IN 46202-1239
Phone (888) 484-3258

Hospital & facility affiliations

  • Indiana University Health Hospital, Indianapolis, IN, CCN 150056
  • Iu Health West Hospital Hospital, Avon, IN, CCN 150158
  • Cameron Health Hospital, Angola, IN, CCN 151315
  • Indiana University Health Bloomington Hospital Hospital, Bloomington, IN, CCN 150051
  • Indiana University Health Tipton Hospital Inc Hospital, Tipton, IN, CCN 151311

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
01096103AINMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Loyola University Medical Center CurrentSince Aug 1, 2025 Accepting new patients
Iu Health Medical Group, LLC CurrentSince Oct 1, 2025 Accepting new patients
Loyola University Medical Center Current Accepting new patients
Loyola University Medical Center CurrentSince Aug 1, 2025 Accepting new patients
Indiana University Radiology Associates, Inc. Diagnostic Radiology CurrentSince Jul 1, 2025 Accepting new patients

Locations

5924 Reliable Pkwy
Chicago, IL 60686

500 W Court St
Kankakee, IL 60901
Phone (800) 585-4119

2160 S 1st Ave
Maywood, IL 60153
Phone (708) 216-4400

1701 Senate Blvd
Indianapolis, IN 46202
Phone (317) 612-2754

1701 Senate Blvd
#C6
Indianapolis, IN 46202
Phone (317) 962-9000

550 University Blvd
Indianapolis, IN 46202
Phone (217) 274-5000

250 N Shadeland Ave
Indianapolis, IN 46219
Phone (317) 948-9174

Interoperability endpoints

  • Direct secure messaging: cong218835@direct.deaconess.com
  • Direct secure messaging: cong46538@direct.eskenazihealth.edu
  • Direct secure messaging: cong139903@direct.luhs.org

Organizations & group practices 5

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 5

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": "1584748800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759276800000",
    "number": "1164058152",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2160 S 1ST AVE",
            "city": "MAYWOOD",
            "state": "IL",
            "postal_code": "601533328",
            "telephone_number": "708-216-9000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 UNIVERSITY BLVD",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025149",
            "telephone_number": "317-274-0010"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2160 S 1st Ave",
            "address_purpose": "LOCATION",
            "city": "Maywood",
            "state": "IL",
            "postal_code": "601533328",
            "country_code": "US",
            "telephone_number": "708-216-9000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1701 N Senate Blvd",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462021239",
            "country_code": "US",
            "telephone_number": "317-962-6793",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ONG",
        "first_name": "CHIEW-JEN",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-03-21",
        "last_updated": "2025-10-01",
        "certification_date": "2025-10-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IN",
            "license": "01096103A",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IL",
            "license": "125077302",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cong@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1701 N Senate Blvd",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462021239",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Indianapolis, IN

Sources for this page

Verify at the official NPI Registry.