# WASHINTON NEUROPSYCHOLOGY RESEARCH GROUP, LLC WASHINTON NEUROPSYCHOLOGY RESEARCH GROUP, LLC is an ADHD evaluation provider with an address in FAIRFAX, VA, United States. ## Details - Address: 3020 HAMAKER CT SUITE 103, FAIRFAX, VA, 220312238 - Phone: [703-876-0966]() - National Provider Identifier (NPI): 1902135684 - Provider type: Clinical neuropsychologist - Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free ## Questions ### Where is WASHINTON NEUROPSYCHOLOGY RESEARCH GROUP, LLC? WASHINTON NEUROPSYCHOLOGY RESEARCH GROUP, LLC is at 3020 HAMAKER CT SUITE 103, FAIRFAX, VA, 220312238. ### How do I contact WASHINTON NEUROPSYCHOLOGY RESEARCH GROUP, LLC? To contact WASHINTON NEUROPSYCHOLOGY RESEARCH GROUP, LLC, call 703-876-0966. ### Is WASHINTON NEUROPSYCHOLOGY RESEARCH GROUP, LLC accepting new patients? That is not in the registry data. Call the phone number on the listing and ask about availability, wait times and insurance. ## Source From [CMS NPI Registry (National Plan and Provider Enumeration System)](https://npiregistry.cms.hhs.gov/api/?version=2.1&number=1902135684), license US government public data. CMS publishes NPPES provider data for open access under its data dissemination notice., checked 2026-10-06. Last updated October 6, 2026. ## Links - This ADHD evaluation provider on the [web page]() - [ADHD evaluations in FAIRFAX]() - [Clinical neuropsychologists in FAIRFAX]() - [More ADHD evaluation providers in FAIRFAX]()