Active NPI
Natra Williams, CATC1
- Day Training/Habilitation Specialist
- San Francisco, CA
National Provider Identifier
1194073734
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Day Training/Habilitation Specialist
- Practice address
- 1301 Pierce St
San Francisco, CA 94115-4005 - Phone
- (415) 563-8200
- Fax
- (415) 563-5985
- NPI assigned
- Aug 28, 2012
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Rehabilitation Practitioner | 225400000X | |||
| Addiction (Substance Use Disorder) Counselor | 101YA0400X | AII057050518 | CA | |
| Day Training/Habilitation Specialist | 373H00000X | Primary |
Addresses
Primary practice location
1301 Pierce St
San Francisco, CA 94115-4005
Mailing address
170 9TH St
San Francisco, CA 94103-2603
Phone (415) 777-0333
Other practice location 1
170 9th St
San Francisco, CA 94103-2603
Phone (415) 777-0333
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| AII057050518 | Other | CA | CCAPP |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| AII057050518 | CA | MD | Addiction (Substance Use Disorder) Counselor |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1346112000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1767830400000",
"number": "1194073734",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "170 9TH ST",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941032603",
"telephone_number": "415-777-0333"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1301 PIERCE ST",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941154005",
"telephone_number": "415-563-8200",
"fax_number": "415-563-5985"
}
],
"practiceLocations": [
{
"address_1": "170 9th St",
"address_purpose": "LOCATION",
"city": "San Francisco",
"state": "CA",
"postal_code": "941032603",
"country_code": "US",
"telephone_number": "415-777-0333",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WILLIAMS",
"first_name": "NATRA",
"name_prefix": "Ms.",
"credential": "CATC1",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2012-08-28",
"last_updated": "2026-01-08",
"certification_date": "2026-01-08",
"status": "A"
},
"taxonomies": [
{
"code": "225400000X",
"taxonomy_group": "",
"desc": "Rehabilitation Practitioner",
"state": null,
"license": null,
"primary": false
},
{
"code": "101YA0400X",
"taxonomy_group": "",
"desc": "Counselor, Addiction (Substance Use Disorder)",
"state": "CA",
"license": "AII057050518",
"primary": false
},
{
"code": "373H00000X",
"taxonomy_group": "",
"desc": "Day Training/Habilitation Specialist",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CCAPP",
"identifier": "AII057050518",
"state": "CA"
}
],
"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 Jan 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.