Active NPI
Jason Ni
- Internal Medicine Physician
- San Francisco, CA
National Provider Identifier
1659066215
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- A210057
- Practice address
- 1101 Van Ness Ave
San Francisco, CA 94109-6919 - Phone
- (415) 600-6000
- Fax
- (415) 213-4659
- NPI assigned
- Apr 10, 2023
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A210057 | CA | Primary |
Addresses
Primary practice location
1101 Van Ness Ave
San Francisco, CA 94109-6919
Mailing address
601 Van Ness Ave Ste E3619
San Francisco, CA 94102-3200
Phone (415) 531-9047
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA
- 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 |
|---|---|---|---|---|
| I20230630001991 | PA | Order and Referring Only - Internal Medicine | 6800255316 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1681084800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787788800000",
"number": "1659066215",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "601 VAN NESS AVE STE E3619",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941023200",
"telephone_number": "415-531-9047",
"fax_number": "415-213-4659"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1101 VAN NESS AVE",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941096919",
"telephone_number": "415-600-6000",
"fax_number": "415-213-4659"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NI",
"first_name": "JASON",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2023-04-10",
"last_updated": "2026-08-27",
"certification_date": "2026-08-27",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A210057",
"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 Aug 27, 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.