Kasey Jean Leonard

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

A065441224 Issued in CA

Practice address

840 N Avenue 66
Los Angeles, CA 90042-1508

Phone

(626) 395-7100

NPI assigned

Jan 19, 2021

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1611014400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756166400000",
    "number": "1891385373",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "840 N AVENUE 66",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900421508",
            "telephone_number": "626-395-7100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "840 N AVENUE 66",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900421508",
            "telephone_number": "626-395-7100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "835 Highland Springs Ave Ste 210",
            "address_purpose": "LOCATION",
            "city": "Beaumont",
            "state": "CA",
            "postal_code": "922235771",
            "country_code": "US",
            "telephone_number": "626-395-7100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEONARD",
        "first_name": "KASEY",
        "middle_name": "JEAN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-01-19",
        "last_updated": "2025-08-26",
        "certification_date": "2025-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": "CA",
            "license": "R1421300321",
            "primary": false
        },
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": "A065441224",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Leonard W Liang MD a Medical Corporation
• Austin James Leonard
• Brianna Leonard
• Dellaray Leonard
• Effie D Leonard
• Lindsey Leonard
• Susan D. Leonard, M.D.
• Tonjia Leonard
• Lea Loren Leonardo, MS, RDN
• Ma Janice Mendoza Leoncio

• Addiction (Substance Use Disorder) Counselor in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Addiction (Substance Use Disorder) Counselor in California

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