Northern Neuropsychology, LLC

Primary specialty

Clinical NeuropsychologistTaxonomy code 103G00000X

Legal business name

NORTHERN NEUROPSYCHOLOGY, LLC

Practice address

540 Main St Ste 17a
Winchester, MA 01890-2940

Phone

(781) 710-6105

Fax

(617) 231-9581

NPI assigned

Oct 10, 2026

Last updated

Oct 10, 2026By 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

Dr. Nicole Kassissieh, PSYD

Title

Owner/Founder

Phone

(781) 710-6105

Specialties & licenses 1

Addresses

Locations

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

{
    "created_epoch": "1791590400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1791590400000",
    "number": "1003711078",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "540 MAIN ST STE 17A",
            "city": "WINCHESTER",
            "state": "MA",
            "postal_code": "018902940",
            "telephone_number": "781-710-6105",
            "fax_number": "617-231-9581"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "540 MAIN ST STE 17A",
            "city": "WINCHESTER",
            "state": "MA",
            "postal_code": "018902940",
            "telephone_number": "781-710-6105",
            "fax_number": "617-231-9581"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "NORTHERN NEUROPSYCHOLOGY, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-10-10",
        "last_updated": "2026-10-10",
        "certification_date": "2026-10-10",
        "status": "A",
        "authorized_official_last_name": "KASSISSIEH",
        "authorized_official_first_name": "NICOLE",
        "authorized_official_title_or_position": "OWNER/FOUNDER",
        "authorized_official_telephone_number": "781-710-6105",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "PSYD"
    },
    "taxonomies": [
        {
            "code": "103G00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Clinical Neuropsychologist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Clinical Neuropsychologist in Winchester, MA
• Providers in Winchester, MA by specialty
• Clinical Neuropsychologist in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 10, 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.