Organization Active NPI

Twenty3 Psychology, Inc.

  • Clinical Psychologist
  • Los Angeles, CA
National Provider Identifier
1629952098
Registry record updated Jul 31, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
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

Updated by the provider on Jul 31, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Dr. Ferdinand Aliga, PSY.D.NPI 1811754492
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)CodeLicenseStatePrimary
Clinical PsychologistGroup: 193200000X MULTI-SPECIALTY GROUP 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 Doing business as

National Provider Directory

National Provider Directory

Locations

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.

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.

Verify at the official NPI Registry.