Active NPI
Arnold Joseph Mandell, M.D.
- Psychiatry Physician
- La Jolla, CA
National Provider Identifier
1144596305
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- C21333
- Practice address
- 230 Prospect St
#33
La Jolla, CA 92037-4646 - Phone
- (828) 301-1478
- Fax
- (828) 254-4431
- NPI assigned
- Mar 31, 2012
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | C21333 | CA | Primary |
| Psychiatry Physician | 2084P0800X | ME0008424 | FL |
Addresses
Primary practice location
230 Prospect St
#33
La Jolla, CA 92037-4646
Mailing address
230 Prospect St
#33
La Jolla, CA 92037-4646
Phone (828) 301-1478
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
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| C21333 | CA | MD | Psychiatry Physician |
| ME0008424 | FL | MD | Psychiatry Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1333152000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1786838400000",
"number": "1144596305",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "230 PROSPECT ST",
"address_2": "#33",
"city": "LA JOLLA",
"state": "CA",
"postal_code": "920374646",
"telephone_number": "828-301-1478",
"fax_number": "828-254-4431"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "230 PROSPECT ST",
"address_2": "#33",
"city": "LA JOLLA",
"state": "CA",
"postal_code": "920374646",
"telephone_number": "828-301-1478",
"fax_number": "828-254-4431"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MANDELL",
"first_name": "ARNOLD",
"middle_name": "JOSEPH",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2012-03-31",
"last_updated": "2026-08-16",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "CA",
"license": "C21333",
"primary": true
},
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "FL",
"license": "ME0008424",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in La Jolla, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 16, 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.