Active NPI
Chiew-Jen Ong, MD
- Diagnostic Radiology Physician
- Indianapolis, IN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- 01096103A
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | cong@direct.iuhealth.org | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IN, IL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
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
Practice addresses (Care Compare)
1701 N Senate Blvd
Indianapolis, IN 46202-1239
Phone (888) 484-3258
Hospital & facility affiliations
- Indiana University Health
- Iu Health West Hospital
- Cameron Health
- Indiana University Health Bloomington Hospital
- Indiana University Health Tipton Hospital Inc
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 01096103A | IN | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Loyola University Medical Center | Current | Accepting new patients | |
| Iu Health Medical Group, LLC | Current | Accepting new patients | |
| Loyola University Medical Center | Current | Accepting new patients | |
| Loyola University Medical Center | Current | Accepting new patients | |
| Indiana University Radiology Associates, Inc. | Diagnostic Radiology | Current | 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
- cong218835@direct.deaconess.com
- cong46538@direct.eskenazihealth.edu
- 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.
-
- Diagnostic Radiology Physician
- Indianapolis, IN
- NPI 1336192665
-
- General Practice Physician
- Indianapolis, IN
- NPI 1326893777
-
- General Practice Physician
- Maywood, IL
- NPI 1336159961
-
- Community/Retail Pharmacy
- Maywood, IL
- NPI 1184789299
-
- General Acute Care Hospital
- Maywood, IL
- NPI 1376521575
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Avon, IN
- NPI 1063443455
-
- Critical Access Hospital
- Angola, IN
- NPI 1386683316
-
- General Acute Care Hospital
- Bloomington, IN
- NPI 1205860335
-
- General Acute Care Hospital
- Indianapolis, IN
- NPI 1144266024
-
- Critical Access Hospital
- Tipton, IN
- NPI 1699876094
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.