Jeffrey Jacob Oswald II, RN

Primary specialty

Addiction (Substance Use Disorder) Registered NurseTaxonomy code 163WA0400X

License

233073 Issued in LA

Practice address

4105 Kirkman St
Lake Charles, LA 70607-4603

Phone

(337) 475-3100

Fax

(337) 475-3105

NPI assigned

Aug 26, 2026

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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

{
    "created_epoch": "1787702400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787702400000",
    "number": "1629985544",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4105 KIRKMAN ST",
            "city": "LAKE CHARLES",
            "state": "LA",
            "postal_code": "706074603",
            "telephone_number": "337-475-3100",
            "fax_number": "337-475-3105"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4105 KIRKMAN ST",
            "city": "LAKE CHARLES",
            "state": "LA",
            "postal_code": "706074603",
            "telephone_number": "337-475-3100",
            "fax_number": "337-475-3105"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2651 E Napoleon St",
            "address_purpose": "LOCATION",
            "city": "Sulphur",
            "state": "LA",
            "postal_code": "706633707",
            "country_code": "US",
            "telephone_number": "337-625-6750",
            "fax_number": "337-625-6752",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OSWALD",
        "first_name": "JEFFREY",
        "middle_name": "JACOB",
        "name_suffix": "II",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-08-26",
        "last_updated": "2026-08-26",
        "certification_date": "2026-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "LA",
            "license": "233073",
            "primary": false
        },
        {
            "code": "163WA0400X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Addiction (Substance Use Disorder)",
            "state": "LA",
            "license": "233073",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Addiction (Substance Use Disorder) Registered Nurse in Lake Charles, LA
• Providers in Lake Charles, LA by specialty
• Addiction (Substance Use Disorder) Registered Nurse in Louisiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.