Medical Assay Laboratory

Primary specialty

Clinical Medical LaboratoryTaxonomy code 291U00000X

License

14D1044662 Issued in IL

Legal business name

MEDICAL ASSAY LABORATORY

Practice address

8205 Cass Ave Ste 108
Darien, IL 60561-5319

Phone

(630) 515-0418

Fax

(630) 515-0417

NPI assigned

Jul 7, 2006

Last updated

Oct 21, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dr. Christopher Chalokwu

Title

Administrator

Phone

(630) 515-0418

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Locations

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

{
    "created_epoch": "1152230400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1792540800000",
    "number": "1760414221",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8205 CASS AVE STE 108",
            "city": "DARIEN",
            "state": "IL",
            "postal_code": "605615319",
            "telephone_number": "630-515-0418",
            "fax_number": "630-515-0417"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8205 CASS AVE STE 108",
            "city": "DARIEN",
            "state": "IL",
            "postal_code": "605615319",
            "telephone_number": "630-515-0418",
            "fax_number": "630-515-0417"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MEDICAL ASSAY LABORATORY",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-07-07",
        "last_updated": "2026-10-21",
        "certification_date": "2026-10-21",
        "status": "A",
        "authorized_official_last_name": "CHALOKWU",
        "authorized_official_first_name": "CHRISTOPHER",
        "authorized_official_title_or_position": "ADMINISTRATOR",
        "authorized_official_telephone_number": "630-515-0418",
        "authorized_official_name_prefix": "Dr."
    },
    "taxonomies": [
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": "IL",
            "license": "14D1044662",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jayla Anna McGee
• Alexia McKeon, RBT
• Fayth Elizabeth McMahon
• Caitlin Marie McNamara, BCBA
• Kimberly Meder-Jendersak, OTR
• Laila Medina
• Marta Melnyk, RBT
• Jennifer Mendez
• Racquel Frances Rizzo Mertz, M.A.C.P.
• Metro Healthcare, SC

• Clinical Medical Laboratory in Darien, IL
• Providers in Darien, IL by specialty
• Clinical Medical Laboratory in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.