# GREY MATTER NEUROPSYCHOLOGY OF NEW YORK, PLLC GREY MATTER NEUROPSYCHOLOGY OF NEW YORK, PLLC is an ADHD evaluation provider with an address in NEW YORK, NY, United States. ## Details - Address: 9 E 8TH ST SUITE 348, NEW YORK, NY, 100035901 - Phone: [646-543-4467]() - National Provider Identifier (NPI): 1366897134 - Provider type: Clinical neuropsychologist - Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free ## Questions ### Where is GREY MATTER NEUROPSYCHOLOGY OF NEW YORK, PLLC? GREY MATTER NEUROPSYCHOLOGY OF NEW YORK, PLLC is at 9 E 8TH ST SUITE 348, NEW YORK, NY, 100035901. ### How do I contact GREY MATTER NEUROPSYCHOLOGY OF NEW YORK, PLLC? To contact GREY MATTER NEUROPSYCHOLOGY OF NEW YORK, PLLC, call 646-543-4467. ### Is GREY MATTER NEUROPSYCHOLOGY OF NEW YORK, PLLC 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=1366897134), 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 NEW YORK]() - [Clinical neuropsychologists in NEW YORK]() - [More ADHD evaluation providers in NEW YORK]()