Active NPI
Michael Marks
- Social Worker
- Torrance, CA
National Provider Identifier
1841155850
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- B8834038
- Practice address
- 21228 S Western Ave Apt 14
Torrance, CA 90501-2946 - Phone
- (310) 819-7193
- NPI assigned
- Dec 22, 2025
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Social Worker | 104100000X | B8834038 | CA | Primary |
Addresses
Primary practice location
21228 S Western Ave Apt 14
Torrance, CA 90501-2946
Mailing address
21228 S Western Ave Apt 14
Torrance, CA 90501-2946
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 |
|---|---|---|---|
| B8834038 | CA | MD | Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1766361600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1766361600000",
"number": "1841155850",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "21228 S WESTERN AVE APT 14",
"city": "TORRANCE",
"state": "CA",
"postal_code": "905012946"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "21228 S WESTERN AVE APT 14",
"city": "TORRANCE",
"state": "CA",
"postal_code": "905012946",
"telephone_number": "310-819-7193"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MARKS",
"first_name": "MICHAEL",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2025-12-22",
"last_updated": "2025-12-22",
"certification_date": "2025-12-22",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Social Worker",
"state": "CA",
"license": "B8834038",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Torrance, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.