Active NPI
Joanna Krupp
- Internal Medicine Physician
- San Francisco, CA
National Provider Identifier
1326740309
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- A201306
- Practice address
- 505 Parnassus Ave
San Francisco, CA 94143-2204 - Phone
- (415) 476-1000
- NPI assigned
- Mar 21, 2023
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A201306 | CA | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X |
Addresses
Primary practice location
505 Parnassus Ave
San Francisco, CA 94143-2204
Mailing address
505 Parnassus Ave # M1480
San Francisco, CA 94143-2204
Other practice location 1
1001 Potrero Ave
Blg. 5, Fl. 1, 1M
San Francisco, CA 94110-3518
Phone (628) 206-8494
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
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250207000166 | CA | Order and Referring Only - Internal Medicine | 3173053071 |
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Duke University School of Medicine, 2023
- 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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1679356800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784678400000",
"number": "1326740309",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "505 PARNASSUS AVE # M1480",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941432204"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "505 PARNASSUS AVE",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941432204",
"telephone_number": "415-476-1000"
}
],
"practiceLocations": [
{
"address_1": "1001 Potrero Ave",
"address_2": "Blg. 5, Fl. 1, 1M",
"address_purpose": "LOCATION",
"city": "San Francisco",
"state": "CA",
"postal_code": "941103518",
"country_code": "US",
"telephone_number": "628-206-8494",
"fax_number": "628-206-7501",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KRUPP",
"first_name": "JOANNA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-03-21",
"last_updated": "2026-07-22",
"certification_date": "2026-07-22",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A201306",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
}
],
"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 Jul 22, 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.