Active NPI
Iris H Liu, MD
- Vascular Surgery Physician
- San Francisco, CA
National Provider Identifier
1740864792
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Vascular Surgery Physician
- License
- NA
- Practice address
- 513 Parnassus Ave # S321
San Francisco, CA 94143-2205 - Phone
- (408) 921-6397
- NPI assigned
- May 6, 2021
- 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 |
|---|---|---|---|---|
| Vascular Surgery Physician | 2086S0129X | NA | CA | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X |
Addresses
Primary practice location
513 Parnassus Ave # S321
San Francisco, CA 94143-2205
Mailing address
UCSF Department of Surgery
513 Parnassus Ave, S321
San Francisco, CA 94143
Phone (408) 921-6397
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | iris.liu@ucsf.edu | Direct |
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: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: Yes
- Hospice: No
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": "1620259200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778544000000",
"number": "1740864792",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "UCSF DEPARTMENT OF SURGERY",
"address_2": "513 PARNASSUS AVE, S321",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "94143",
"telephone_number": "408-921-6397"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "513 PARNASSUS AVE # S321",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941432205",
"telephone_number": "408-921-6397"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LIU",
"first_name": "IRIS",
"middle_name": "H",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2021-05-06",
"last_updated": "2026-05-12",
"certification_date": "2026-05-12",
"status": "A"
},
"taxonomies": [
{
"code": "2086S0129X",
"taxonomy_group": "",
"desc": "Surgery, Vascular Surgery",
"state": "CA",
"license": "NA",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "iris.liu@ucsf.edu",
"affiliation": "N",
"endpointDescription": "email",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "CSV",
"contentTypeDescription": "CSV",
"address_1": "311 Lincoln Way Apt 1",
"city": "San Francisco",
"state": "CA",
"country_code": "US",
"postal_code": "941222600",
"country_name": "United States",
"address_type": "DOM"
}
],
"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 May 12, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.