Matthew Leong

Primary specialty

Clinical Pathology/Laboratory Medicine PhysicianTaxonomy code 207ZP0105X

License

A193975 Issued in CA

Practice address

116 N Robertson Blvd Ste 500
Los Angeles, CA 90048-3100

Phone

(310) 248-6241

NPI assigned

Apr 6, 2021

Last updated

Aug 31, 2026By the provider in NPPES

Sex

Male

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

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

{
    "created_epoch": "1617667200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788134400000",
    "number": "1679152730",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 N SAN VICENTE BLVD STE G530",
            "city": "WEST HOLLYWOOD",
            "state": "CA",
            "postal_code": "900695060",
            "telephone_number": "310-423-4612",
            "fax_number": "310-423-0311"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "116 N ROBERTSON BLVD STE 500",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900483100",
            "telephone_number": "310-248-6241"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "700 N San Vicente Blvd Ste G530",
            "address_purpose": "LOCATION",
            "city": "West Hollywood",
            "state": "CA",
            "postal_code": "900695060",
            "country_code": "US",
            "telephone_number": "310-423-4612",
            "fax_number": "310-423-0311",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEONG",
        "first_name": "MATTHEW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-06",
        "last_updated": "2026-08-31",
        "certification_date": "2026-08-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207ZP0105X",
            "taxonomy_group": "",
            "desc": "Pathology, Clinical Pathology/Laboratory Medicine",
            "state": "CA",
            "license": "A193975",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Beatriz Valdovinos Leong, MD
• Daisy Leong, PHARMD, BCPS
• Derek Wei-Feng Leong, MD
• Hanna Leong
• Kelly Leigh Leong
• Pauline P. Leong, MS, RDN
• Stephanie Y. Leong, MD
• Tawny Leong
• Leonidas a. Johnson, O.D., a Professional Corporation (eYe cLinic OPTOMETRY)
• Gabriela Leonor Guzman

• Clinical Pathology/Laboratory Medicine Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Clinical Pathology/Laboratory Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 2026; 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.