Active NPI
Young Heay Yun, MD
- Emergency Medicine Physician
- New York, NY
National Provider Identifier
1023751872
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- 339001-01
- Practice address
- 1901 1St Ave
New York, NY 10029-7491 - Phone
- (212) 423-6464
- Fax
- (212) 423-6383
- NPI assigned
- Apr 19, 2022
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | 339001-01 | NY | Primary |
Addresses
Primary practice location
1901 1St Ave
New York, NY 10029-7491
Mailing address
1901 1St Ave
New York, NY 10029-7491
Phone (212) 423-6464
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250911000666 | NY | Order and Referring Only - Emergency Medicine | 9638672108 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 339001-01 | NY | MD | Emergency Medicine Physician |
Networks
- Healthfirst Medicare Network H3359
- Healthfirst Medicare Network H9678
- Healthfirst Medicare Network H1722
- Healthfirst Medicare Network H5989
Interoperability endpoints
- yyun1495019@nychhc.direct-ci.com
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1650326400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1765411200000",
"number": "1023751872",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1901 1ST AVE",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100297491",
"telephone_number": "212-423-6464",
"fax_number": "212-423-6383"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1901 1ST AVE",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100297491",
"telephone_number": "212-423-6464",
"fax_number": "212-423-6383"
}
],
"practiceLocations": [],
"basic": {
"last_name": "YUN",
"first_name": "YOUNG HEAY",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2022-04-19",
"last_updated": "2025-12-11",
"certification_date": "2025-12-11",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "NY",
"license": "339001-01",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in New York, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 11, 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.