Louis John Grasso Jr.

Primary specialty

Hearing Instrument SpecialistTaxonomy code 237700000X

License

HES6621 Issued in MA

Practice address

354 Main St Ste 4
Gardner, MA 01440-3057

Phone

(978) 632-6883

NPI assigned

Sep 14, 2026

Last updated

Sep 14, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1789344000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789344000000",
    "number": "1205747722",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "131 ENTERPRISE RD",
            "city": "JOHNSTOWN",
            "state": "NY",
            "postal_code": "120953326",
            "telephone_number": "518-620-4238",
            "fax_number": "518-620-5727"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "354 MAIN ST STE 4",
            "city": "GARDNER",
            "state": "MA",
            "postal_code": "014403057",
            "telephone_number": "978-632-6883"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRASSO",
        "first_name": "LOUIS",
        "middle_name": "JOHN",
        "name_suffix": "Jr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-09-14",
        "last_updated": "2026-09-14",
        "certification_date": "2026-09-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "237700000X",
            "taxonomy_group": "",
            "desc": "Hearing Instrument Specialist",
            "state": "MA",
            "license": "HES6621",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jessica Goodfield, LICSW
• Sally Goodhile
• Deborah Beth Gordon, M.D.
• Danielle Gosson
• Allison Goulet-Scott
• Debra Lou Gravel
• Brian Clifton Greene
• Tina M Griffin, DNP, FNP-C
• William M Griffin, RNCS PC APRN BC
• Venturiely Grullon

• Hearing Instrument Specialist in Gardner, MA
• Providers in Gardner, MA by specialty
• Hearing Instrument Specialist in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 14, 2026; 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.