Active NPI
Twenty3 Psychology, Inc.
- Clinical Psychologist
- Los Angeles, CA
National Provider Identifier
1629952098
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Psychologist
- Legal business name
- TWENTY3 PSYCHOLOGY, INC.
- Practice address
- 1849 Sawtelle Blvd Ste 610
Los Angeles, CA 90025-7013 - Phone
- (213) 654-6504
- NPI assigned
- Jul 31, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Ferdinand Aliga, PSY.D.
- Title
- Owner
- Phone
- (213) 654-6504
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Psychologist | 103TC0700X | Primary |
Addresses
Primary practice location
1849 Sawtelle Blvd Ste 610
Los Angeles, CA 90025-7013
Mailing address
20117 Sherman Way # 314
Winnetka, CA 91306-3206
Phone (213) 654-6504
Other practice location 1
16530 Ventura Blvd Ste 400
Encino, CA 91436-4551
Phone (213) 654-6504
Other names 1
- Twenty3 Psychology
National Provider Directory
National Provider DirectoryLocations
20117 Sherman Way
Winnetka, CA 91306
Practitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
-
- Mental Health Counselor
- Northridge, CA
- NPI 1811754492
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1753920000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1753920000000",
"number": "1629952098",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "20117 SHERMAN WAY # 314",
"city": "WINNETKA",
"state": "CA",
"postal_code": "913063206",
"telephone_number": "213-654-6504"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1849 SAWTELLE BLVD STE 610",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900257013",
"telephone_number": "213-654-6504"
}
],
"practiceLocations": [
{
"address_1": "16530 Ventura Blvd Ste 400",
"address_purpose": "LOCATION",
"city": "Encino",
"state": "CA",
"postal_code": "914364551",
"country_code": "US",
"telephone_number": "213-654-6504",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"organization_name": "TWENTY3 PSYCHOLOGY, INC.",
"organizational_subpart": "NO",
"enumeration_date": "2025-07-31",
"last_updated": "2025-07-31",
"certification_date": "2025-07-31",
"status": "A",
"authorized_official_last_name": "ALIGA",
"authorized_official_first_name": "FERDINAND",
"authorized_official_title_or_position": "OWNER",
"authorized_official_telephone_number": "213-654-6504",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "PSY.D."
},
"taxonomies": [
{
"code": "103TC0700X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Psychologist, Clinical",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "Twenty3 Psychology",
"code": "3",
"type": "Doing Business As"
}
]
}
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 Jul 31, 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.