Active NPI
James Arthur Watt III
- Psychologist
- Los Angeles, CA
National Provider Identifier
1053252569
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychologist
- License
- HL
- Practice address
- 3580 Wilshire Blvd Ste 2000
Los Angeles, CA 90010-2533 - Phone
- (213) 381-1250
- NPI assigned
- Apr 1, 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 |
|---|---|---|---|---|
| Psychologist | 103T00000X | HL | Primary |
Addresses
Primary practice location
3580 Wilshire Blvd Ste 2000
Los Angeles, CA 90010-2533
Mailing address
331 San Tropez CT
Laguna Beach, CA 92651-4465
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1775001600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775001600000",
"number": "1053252569",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "331 SAN TROPEZ CT",
"city": "LAGUNA BEACH",
"state": "CA",
"postal_code": "926514465"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3580 WILSHIRE BLVD STE 2000",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900102533",
"telephone_number": "213-381-1250"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WATT",
"first_name": "JAMES",
"middle_name": "ARTHUR",
"name_suffix": "III",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2026-04-01",
"last_updated": "2026-04-01",
"certification_date": "2026-04-01",
"status": "A"
},
"taxonomies": [
{
"code": "103T00000X",
"taxonomy_group": "",
"desc": "Psychologist",
"state": null,
"license": "HL",
"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 Apr 1, 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.