Individual provider Active NPI

Hayam Hussein

  • Clinical Medical Laboratory
  • Fullerton, CA
National Provider Identifier
1285590554
Registry record updated Dec 31, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Medical LaboratoryTaxonomy code 291U00000X
License
MTA-02244510 Issued in CA
Practice address
618 S Gilbert St
Fullerton, CA 92833-3614
Phone
(714) 863-4548
NPI assigned
Dec 31, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 31, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Medical Laboratory 291U00000X MTA-02244510 CA Primary

Addresses

Primary practice location

618 S Gilbert St
Fullerton, CA 92833-3614

Mailing address

12401 Washington Blvd
Whittier, CA 90602-1006
Phone (562) 698-0811

Other practice location 1

430 S Cataract Ave
San Dimas, CA 91773-2902
Phone (888) 702-9042

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

State licenses

LicenseStateTypeSpecialty
MTA-02244510CAMDClinical Medical Laboratory

NPI Registry JSON

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

{
    "created_epoch": "1767139200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767139200000",
    "number": "1285590554",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12401 WASHINGTON BLVD",
            "city": "WHITTIER",
            "state": "CA",
            "postal_code": "906021006",
            "telephone_number": "562-698-0811"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "618 S GILBERT ST",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928333614",
            "telephone_number": "714-863-4548"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "430 S Cataract Ave",
            "address_purpose": "LOCATION",
            "city": "San Dimas",
            "state": "CA",
            "postal_code": "917732902",
            "country_code": "US",
            "telephone_number": "888-702-9042",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HUSSEIN",
        "first_name": "HAYAM",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-12-31",
        "last_updated": "2025-12-31",
        "certification_date": "2025-12-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": "CA",
            "license": "MTA-02244510",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fullerton, CA

Sources for this page

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