# WILLIAM H. HARTWIG, PH.D., P.C. WILLIAM H. HARTWIG, PH.D., P.C. is an ADHD evaluation provider with an address in WAPPINGERS FALLS, NY, United States. ## Details - Address: 1 GLEN BROOK CT, WAPPINGERS FALLS, NY, 125901832 - Phone: [845-471-8175]() - National Provider Identifier (NPI): 1780085613 - Provider type: Clinical neuropsychologist - Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free ## Questions ### Where is WILLIAM H. HARTWIG, PH.D., P.C.? WILLIAM H. HARTWIG, PH.D., P.C. is at 1 GLEN BROOK CT, WAPPINGERS FALLS, NY, 125901832. ### How do I contact WILLIAM H. HARTWIG, PH.D., P.C.? To contact WILLIAM H. HARTWIG, PH.D., P.C., call 845-471-8175. ### Is WILLIAM H. HARTWIG, PH.D., 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=1780085613), 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 WAPPINGERS FALLS]() - [Clinical neuropsychologists in WAPPINGERS FALLS]() - [More ADHD evaluation providers in WAPPINGERS FALLS]()