# WILLIAM LING WILLIAM LING is an ADHD evaluation provider with an address in RESTON, VA, United States. ## Details - Address: 1900 CAMPUS COMMONS DRIVE, STE 100, RESTON, VA, 20191 - Phone: [703-597-8920]() - National Provider Identifier (NPI): 1558361857 - Credentials: Ph.D. - Provider type: Clinical neuropsychologist - Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free ## Questions ### Where is WILLIAM LING? WILLIAM LING is at 1900 CAMPUS COMMONS DRIVE, STE 100, RESTON, VA, 20191. ### How do I contact WILLIAM LING? To contact WILLIAM LING, call 703-597-8920. ### Is WILLIAM LING 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=1558361857), 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 RESTON]() - [Clinical neuropsychologists in RESTON]() - [More ADHD evaluation providers in RESTON]()