GSB Diagnostics LLC

Primary specialty

Clinical Medical LaboratoryTaxonomy code 291U00000X

Legal business name

GSB DIAGNOSTICS LLC

Practice address

300 NE 75TH St Unit 110
Miami, FL 33138-5294

Phone

(786) 703-7778

Fax

(386) 381-1082

NPI assigned

Feb 18, 2026

Organization subpart

No

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

Authorized official

Name

Mr. Grady D Kittrell

Title

Owner

Phone

(786) 703-7778

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in FL

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": "1771372800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1771372800000",
    "number": "1962355941",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 NE 75TH ST UNIT 110",
            "city": "MIAMI",
            "state": "FL",
            "postal_code": "331385294",
            "telephone_number": "786-703-7778",
            "fax_number": "386-381-1082"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 NE 75TH ST UNIT 110",
            "city": "MIAMI",
            "state": "FL",
            "postal_code": "331385294",
            "telephone_number": "786-703-7778",
            "fax_number": "386-381-1082"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GSB DIAGNOSTICS LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-02-18",
        "last_updated": "2026-02-18",
        "certification_date": "2026-02-18",
        "status": "A",
        "authorized_official_last_name": "KITTRELL",
        "authorized_official_first_name": "GRADY",
        "authorized_official_middle_name": "D",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "786-703-7778",
        "authorized_official_name_prefix": "Mr."
    },
    "taxonomies": [
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Clinical Medical Laboratory in Miami, FL
• Providers in Miami, FL by specialty
• Clinical Medical Laboratory in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 18, 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.