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Northern Neuropsychology, LLC

Clinical Neuropsychologist in Winchester, MA · enumerated 2026 · authorized official Nicole Kassissieh, Owner/Founder.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1003711078

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Registry record

Entity type Organization (Type 2)
Legal business name Northern Neuropsychology, LLC
Practice address 540 Main St Ste 17a, Winchester, MA, 01890
Phone (781) 710-6105
Fax (617) 231-9581
Enumeration date Oct 10, 2026
Last updated in NPPES Oct 10, 2026

Taxonomy & classification

103G00000X Clinical Neuropsychologist Behavioral Health & Social Service Providers Primary

Authorized official

Name Nicole Kassissieh
Title Owner/Founder
Phone (781) 710-6105

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Northern Neuropsychology, LLC?
The NPI for Northern Neuropsychology, LLC is 1003711078, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Northern Neuropsychology, LLC?
NPPES lists Nicole Kassissieh (Owner/Founder) as the authorized official for this organization.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-10-10.