Coast Diagnostics of Louisiana, LLC

Primary specialty

Clinical Medical LaboratoryTaxonomy code 291U00000X

Legal business name

COAST DIAGNOSTICS OF LOUISIANA, LLC

Doing business as

Coast Diagnostics
Coast Diagnostics Louisiana

Practice address

8146 One Calais Ave
Baton Rouge, LA 70809-3449

Phone

(251) 459-8405

NPI assigned

May 21, 2021

Last updated

Aug 7, 2025By 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

Donna Mercer

Title

Billing

Phone

(251) 459-8626

Specialties & licenses 1

Addresses

Other identifiers 3

Other names 2

• Coast Diagnostics Doing business as
• Coast Diagnostics Louisiana Doing business as

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in LA

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": "1621555200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1754524800000",
    "number": "1154996262",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 8428",
            "city": "MOBILE",
            "state": "AL",
            "postal_code": "366890428",
            "telephone_number": "251-366-6433"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8146 ONE CALAIS AVE",
            "city": "BATON ROUGE",
            "state": "LA",
            "postal_code": "708093449",
            "telephone_number": "251-459-8405"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "COAST DIAGNOSTICS OF LOUISIANA, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2021-05-21",
        "last_updated": "2025-08-07",
        "certification_date": "2025-08-07",
        "status": "A",
        "authorized_official_last_name": "MERCER",
        "authorized_official_first_name": "DONNA",
        "authorized_official_title_or_position": "BILLING",
        "authorized_official_telephone_number": "251-459-8626"
    },
    "taxonomies": [
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CLIA",
            "identifier": "19D2216351",
            "state": "LA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "04209384",
            "state": "MS"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "255246",
            "state": "AL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "info@coastdiagnostics.com",
            "affiliation": "N",
            "endpointDescription": "Inbox",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "PDF",
            "address_1": "8146 One Calais Ave",
            "city": "Baton Rouge",
            "state": "LA",
            "country_code": "US",
            "postal_code": "708093449",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "organization_name": "Coast Diagnostics",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Coast Diagnostics Louisiana",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Coast Diagnostics Louisiana",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

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• Clinical Medical Laboratory in Baton Rouge, LA
• Providers in Baton Rouge, LA by specialty
• Clinical Medical Laboratory in Louisiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 2025; 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.