Organization Active NPI

Lakeside ABA Az LLC

  • Behavior Analyst
  • Phoenix, AZ
National Provider Identifier
1740153691
Registry record updated Sep 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavior AnalystTaxonomy code 103K00000X
Legal business name
LAKESIDE ABA AZ LLC
Practice address
4539 N 22ND St Ste R
Phoenix, AZ 85016-4639
Phone
(410) 357-1840
NPI assigned
Sep 26, 2025
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 26, 2025

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

Authorized official

Name
Dr. Charles Williams, PSYD
Title
Ceo
Phone
(213) 435-9423

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Behavior AnalystGroup: 193200000X MULTI-SPECIALTY GROUP 103K00000X Primary
Home Health Agency 251E00000X

Addresses

Primary practice location

4539 N 22ND St Ste R
Phoenix, AZ 85016-4639

Mailing address

1500 S Doheny Dr
Los Angeles, CA 90035-3211

National Provider Directory

National Provider Directory

NPI Registry JSON

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

{
    "created_epoch": "1758844800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1758844800000",
    "number": "1740153691",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1500 S DOHENY DR",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900353211"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4539 N 22ND ST STE R",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850164639",
            "telephone_number": "410-357-1840"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LAKESIDE ABA AZ LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-09-26",
        "last_updated": "2025-09-26",
        "certification_date": "2025-09-26",
        "status": "A",
        "authorized_official_last_name": "WILLIAMS",
        "authorized_official_first_name": "CHARLES",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "213-435-9423",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "PSYD"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Behavior Analyst",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "251E00000X",
            "taxonomy_group": "",
            "desc": "Home Health",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Phoenix, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 26, 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.