Active NPI
Randy Thanh Nguyen, MD
- Emergency Medicine Physician
- San Francisco, CA
National Provider Identifier
1487399085
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- A209779
- Practice address
- 1001 Potrero Avenue
BLDG. 25, 1St Floor
San Francisco, CA 94110-3518 - Phone
- (628) 206-8111
- NPI assigned
- Apr 28, 2022
- Sex
- Male
- 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 | A209779 | CA | Primary |
Addresses
Primary practice location
1001 Potrero Avenue
BLDG. 25, 1St Floor
San Francisco, CA 94110-3518
Mailing address
1001 Potrero Avenue
BLDG. 25, First Floor
San Francisco, CA 94110-3518
Phone (628) 206-8111
Other practice location 1
100 High St
Buffalo, NY 14203-1126
Phone (716) 859-5600
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Care Compare profile
Medicare Care Compare- Specialty
- Emergency Medicine
- Education
- Washington State University Elson S Floyd College of Medicine, 2022
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
PO Box
Los Angeles, CA 90074
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1651104000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1780963200000",
"number": "1487399085",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1001 POTRERO AVENUE",
"address_2": "BLDG. 25, FIRST FLOOR",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941103518",
"telephone_number": "628-206-8111",
"fax_number": "628-206-9038"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1001 POTRERO AVENUE",
"address_2": "BLDG. 25, 1ST FLOOR",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941103518",
"telephone_number": "628-206-8111"
}
],
"practiceLocations": [
{
"address_1": "100 High St",
"address_purpose": "LOCATION",
"city": "Buffalo",
"state": "NY",
"postal_code": "142031126",
"country_code": "US",
"telephone_number": "716-859-5600",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "NGUYEN",
"first_name": "RANDY",
"middle_name": "THANH",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-04-28",
"last_updated": "2026-06-09",
"certification_date": "2026-06-09",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "CA",
"license": "A209779",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in San Francisco, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 9, 2026; 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.