Gretchen V. Blondeau, PHARM.D., R.PH.

Primary specialty

PharmacistTaxonomy code 183500000X

License

13649 Issued in LA

Practice address

1001 Gause Blvd
Slidell, LA 70458-2939

Phone

(985) 649-8523

Fax

(985) 649-8628

NPI assigned

Dec 14, 2005

Last updated

Sep 11, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• Gretchen A. Von Hassel Other name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Pharmacy, Registered Pharmacist

State licenses

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

{
    "created_epoch": "1134518400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1730164575",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1001 GAUSE BLVD",
            "address_2": "BOX 21 - PHARMACY",
            "city": "SLIDELL",
            "state": "LA",
            "postal_code": "704582939",
            "telephone_number": "985-280-8523"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1001 GAUSE BLVD",
            "city": "SLIDELL",
            "state": "LA",
            "postal_code": "704582939",
            "telephone_number": "985-649-8523",
            "fax_number": "985-649-8628"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BLONDEAU",
        "first_name": "GRETCHEN",
        "middle_name": "V.",
        "name_prefix": "Dr.",
        "credential": "PHARM.D., R.PH.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-12-14",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "183500000X",
            "taxonomy_group": "",
            "desc": "Pharmacist",
            "state": "LA",
            "license": "13649",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "GRETCHEN",
            "last_name": "VON HASSEL",
            "middle_name": "A.",
            "credential": "PHARM.D., R.PH.",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

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• Pharmacist in Slidell, LA
• Providers in Slidell, LA by specialty
• Pharmacist in Louisiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.