Active NPI
Katherine Nitze, LCSW
- Clinical Social Worker
- San Francisco, CA
National Provider Identifier
1710850318
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 128927
- Practice address
- 912 Cole St # 356
San Francisco, CA 94117-4316 - Phone
- (415) 846-2791
- NPI assigned
- Sep 29, 2025
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 128927 | CA | Primary |
Addresses
Primary practice location
912 Cole St # 356
San Francisco, CA 94117-4316
Mailing address
912 Cole St # 356
San Francisco, CA 94117-4316
Other names 1
- Kate Nitze
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective May 1, 2025 through May 1, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 128927 | CA | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1759104000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759104000000",
"number": "1710850318",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "912 COLE ST # 356",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941174316"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "912 COLE ST # 356",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941174316",
"telephone_number": "415-846-2791"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NITZE",
"first_name": "KATHERINE",
"credential": "LCSW",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2025-09-29",
"last_updated": "2025-09-29",
"certification_date": "2025-09-29",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "CA",
"license": "128927",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "KATE",
"last_name": "NITZE",
"credential": "LCSW",
"code": "2",
"type": "Professional Name"
}
]
}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 Sep 29, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.