Individual provider Active NPI

Aaron Giannini, LCSW

  • Clinical Social Worker
  • Los Angeles, CA
National Provider Identifier
1518447804
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
104866 Issued in CA
Practice address
1033 Gayley Ave Ste 203
Los Angeles, CA 90024-3426
Phone
(310) 666-3312
NPI assigned
Aug 16, 2018
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 104866 CA Primary

Addresses

Primary practice location

1033 Gayley Ave Ste 203
Los Angeles, CA 90024-3426

Mailing address

2627 5TH St Apt 20
Santa Monica, CA 90405-4252
Phone (310) 666-3312

Other practice location 1

250 W 57th St Ste 501
New York, NY 10107-0500
Phone (212) 582-1566

Other practice location 2

315 S Beverly Dr Ste 300
Beverly Hills, CA 90212-4309
Phone (310) 666-3312

Electronic endpoints 1

TypeEndpointUseAffiliation
Other URL aarongiannini.com Direct

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

Practice roles

OrganizationSpecialtyStatusNew patients
National Institute for the Psychotherapies Training Institute Past Accepting new patients

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1534377600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1518447804",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2627 5TH ST APT 20",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "904054252",
            "telephone_number": "310-666-3312"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1033 GAYLEY AVE STE 203",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900243426",
            "telephone_number": "310-666-3312"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "250 W 57th St Ste 501",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "101070500",
            "country_code": "US",
            "telephone_number": "212-582-1566",
            "fax_number": "212-586-1272",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "315 S Beverly Dr Ste 300",
            "address_purpose": "LOCATION",
            "city": "Beverly Hills",
            "state": "CA",
            "postal_code": "902124309",
            "country_code": "US",
            "telephone_number": "310-666-3312",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GIANNINI",
        "first_name": "AARON",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2018-08-16",
        "last_updated": "2025-09-11",
        "certification_date": "2022-05-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "104866",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "OTHERS",
            "endpointTypeDescription": "Other URL",
            "endpoint": "aarongiannini.com",
            "affiliation": "N",
            "endpointDescription": "Personal Website",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "1033 Gayley Ave Ste 203",
            "city": "Los Angeles",
            "state": "CA",
            "country_code": "US",
            "postal_code": "900243426",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "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 Sep 11, 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.