# LONG ISLAND NEUROPSYCHOLOGY, P.C. LONG ISLAND NEUROPSYCHOLOGY, P.C. is an ADHD evaluation provider with an address in LAKE RONKONKOMA, NY, United States. ## Details - Address: 290 HAWKINS AVE SUITE B, LAKE RONKONKOMA, NY, 117799600 - Phone: [631-334-7884]() - National Provider Identifier (NPI): 1356467419 - Provider type: Clinical neuropsychologist - Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free ## Questions ### Where is LONG ISLAND NEUROPSYCHOLOGY, P.C.? LONG ISLAND NEUROPSYCHOLOGY, P.C. is at 290 HAWKINS AVE SUITE B, LAKE RONKONKOMA, NY, 117799600. ### How do I contact LONG ISLAND NEUROPSYCHOLOGY, P.C.? To contact LONG ISLAND NEUROPSYCHOLOGY, P.C., call 631-334-7884. ### Is LONG ISLAND NEUROPSYCHOLOGY, P.C. 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=1356467419), 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 LAKE RONKONKOMA]() - [Clinical neuropsychologists in LAKE RONKONKOMA]() - [More ADHD evaluation providers in LAKE RONKONKOMA]()