# WILLIAM ERNST WILLIAM ERNST is an ADHD evaluation provider with an address in FREEHOLD, NJ, United States. ## Details - Address: 495 IRON BRIDGE RD STE 8, FREEHOLD, NJ, 077285306 - Phone: [215-262-0741]() - National Provider Identifier (NPI): 1780892166 - Credentials: Psy.D. - Provider type: Clinical neuropsychologist - Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free ## Questions ### Where is WILLIAM ERNST? WILLIAM ERNST is at 495 IRON BRIDGE RD STE 8, FREEHOLD, NJ, 077285306. ### How do I contact WILLIAM ERNST? To contact WILLIAM ERNST, call 215-262-0741. ### Is WILLIAM ERNST 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=1780892166), 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 FREEHOLD]() - [Clinical neuropsychologists in FREEHOLD]() - [More ADHD evaluation providers in FREEHOLD]()