Active NPI
Crystal Williams
- Clinical Social Worker
- Los Angeles, CA
National Provider Identifier
1386010353
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- LCSW91136
- Practice address
- 4470 W Sunset Blvd Ste 107
Los Angeles, CA 90027-6309 - Phone
- (323) 205-7088
- NPI assigned
- Aug 13, 2015
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | LCSW91136 | CA | Primary |
Addresses
Primary practice location
4470 W Sunset Blvd Ste 107
Los Angeles, CA 90027-6309
Mailing address
1701 S Figueroa St # 1283
Los Angeles, CA 90015-3419
Phone (310) 653-6860
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)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| LCSW91136 | CA | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1439424000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1768953600000",
"number": "1386010353",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1701 S FIGUEROA ST # 1283",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900153419",
"telephone_number": "310-653-6860"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4470 W SUNSET BLVD STE 107",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900276309",
"telephone_number": "323-205-7088"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WILLIAMS",
"first_name": "CRYSTAL",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2015-08-13",
"last_updated": "2026-01-21",
"certification_date": "2026-01-21",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "CA",
"license": "LCSW91136",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Los Angeles, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 21, 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.