Active NPI
Hyo-Jung Choi, MBBS
- Neonatal-Perinatal Medicine Physician
- Tarzana, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neonatal-Perinatal Medicine Physician
- License
- A173303
- Practice address
- 18321 Clark St
Tarzana, CA 91356-3501 - Phone
- (310) 423-4451
- Fax
- (310) 423-2114
- NPI assigned
- Apr 10, 2018
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | 173303 | CA | |
| Neonatal-Perinatal Medicine Physician | 2080N0001X | A173303 | CA | Primary |
Addresses
Primary practice location
18321 Clark St
Tarzana, CA 91356-3501
Mailing address
4140 W 190TH St
Torrance, CA 90504-5513
Other practice location 1
8700 Beverly Blvd Ste 4221
West Hollywood, CA 90048-1804
Phone (310) 423-4451
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| SOAP URL | https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq | Health Information Exchange (HIE) | Southern California Permanente Medical Group |
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
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 173303 | CA | MD | Pediatrics Physician |
| A173303 | CA | MD | Neonatal-Perinatal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cedars-Sinai Medical Care Foundation | Current | Accepting new patients | |
| Cedars-Sinai Medical Center | Current | Accepting new patients | |
| Cedars-Sinai Medical Center | Current | Accepting new patients |
Locations
8635 W 3rd St
Ste 465W
Los Angeles, CA 90048
Phone (310) 423-0674
18321 Clark St
Tarzana, CA 91356
Phone (310) 423-6744
3330 Lomita Blvd
Torrance, CA 90505
Phone (310) 517-4675
4140 W 190th St
Torrance, CA 90504
Phone (310) 967-1780
8700 Beverly Blvd
Ste 4221
West Hollywood, CA 90048
Phone (310) 423-4451
8700 Beverly Blvd
West Hollywood, CA 90048
Phone (310) 385-3291
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.
-
- Specialist
- Los Angeles, CA
- NPI 1316984388
-
- General Acute Care Hospital
- Los Angeles, CA
- NPI 1639172372
-
- Pharmacy
- Los Angeles, CA
- NPI 1376514810
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1523318400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1752019200000",
"number": "1770080343",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4140 W 190TH ST",
"city": "TORRANCE",
"state": "CA",
"postal_code": "905045513"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "18321 CLARK ST",
"city": "TARZANA",
"state": "CA",
"postal_code": "913563501",
"telephone_number": "310-423-4451",
"fax_number": "310-423-2114"
}
],
"practiceLocations": [
{
"address_1": "8700 Beverly Blvd Ste 4221",
"address_purpose": "LOCATION",
"city": "West Hollywood",
"state": "CA",
"postal_code": "900481804",
"country_code": "US",
"telephone_number": "310-423-4451",
"fax_number": "310-423-2114",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CHOI",
"first_name": "HYO-JUNG",
"credential": "MBBS",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2018-04-10",
"last_updated": "2025-07-09",
"certification_date": "2025-07-09",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "CA",
"license": "173303",
"primary": false
},
{
"code": "2080N0001X",
"taxonomy_group": "",
"desc": "Pediatrics, Neonatal-Perinatal Medicine",
"state": "CA",
"license": "A173303",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "SOAP",
"endpointTypeDescription": "SOAP URL",
"endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
"affiliation": "Y",
"endpointDescription": "Carequality",
"affiliationName": "Southern California Permanente Medical Group",
"use": "HIE",
"useDescription": "Health Information Exchange (HIE)",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "C-CDA",
"address_1": "1011 Baldwin Park Blvd",
"city": "Baldwin Park",
"state": "CA",
"country_code": "US",
"postal_code": "917065806",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Tarzana, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 9, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.