David Louis Weir, M.D.

Primary specialty

SpecialistTaxonomy code 174400000X

License

019639 Issued in LA

Practice address

913 S College Rd Ste 100
Lafayette, LA 70503-3061

Phone

(337) 504-4039

Fax

(337) 504-4032

NPI assigned

Jun 24, 2005

Last updated

Oct 15, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in LA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: dweir324279@direct.ochsner.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

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

{
    "created_epoch": "1119571200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1792022400000",
    "number": "1528064441",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "802 E FARREL RD",
            "city": "LAFAYETTE",
            "state": "LA",
            "postal_code": "705087208",
            "telephone_number": "337-504-3215",
            "fax_number": "337-504-4032"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "913 S COLLEGE RD STE 100",
            "city": "LAFAYETTE",
            "state": "LA",
            "postal_code": "705033061",
            "telephone_number": "337-504-4039",
            "fax_number": "337-504-4032"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "136 Hospital Dr",
            "address_2": "Suite 100",
            "address_purpose": "LOCATION",
            "city": "Lafayette",
            "state": "LA",
            "postal_code": "705032819",
            "country_code": "US",
            "telephone_number": "337-704-0220",
            "fax_number": "337-704-0225",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WEIR",
        "first_name": "DAVID",
        "middle_name": "LOUIS",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-06-24",
        "last_updated": "2026-10-15",
        "certification_date": "2026-10-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "LA",
            "license": "019639",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Specialist in Lafayette, LA
• Providers in Lafayette, LA by specialty
• Specialist in Louisiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.