Active NPI
Nathan Choi
- Clinical Social Worker
- Long Beach, CA
National Provider Identifier
1356035885
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- LCSW136171
- Practice address
- 3530 Atlantic Ave Ste 210
Long Beach, CA 90807-4569 - Phone
- (562) 424-1886
- NPI assigned
- Jun 7, 2023
- Last updated
- Jan 13, 2026
- Sex
- Male
- 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 | LCSW136171 | CA | Primary |
Addresses
Primary practice location
3530 Atlantic Ave Ste 210
Long Beach, CA 90807-4569
Mailing address
145 W Main St Ste 220
Tustin, CA 92780-4360
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 |
|---|---|---|---|
| LCSW136171 | CA | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1686096000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1768262400000",
"number": "1356035885",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "145 W MAIN ST STE 220",
"city": "TUSTIN",
"state": "CA",
"postal_code": "927804360"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3530 ATLANTIC AVE STE 210",
"city": "LONG BEACH",
"state": "CA",
"postal_code": "908074569",
"telephone_number": "562-424-1886"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CHOI",
"first_name": "NATHAN",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2023-06-07",
"last_updated": "2026-01-13",
"certification_date": "2026-01-13",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "CA",
"license": "LCSW136171",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Long Beach, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 13, 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.