# THOMAS NGUYEN THOMAS NGUYEN is an ADHD evaluation provider with an address in DALLAS, TX, United States. ## Details - Address: 411 N WASHINGTON AVE STE 5000, DALLAS, TX, 752461792 - Phone: [214-820-5779]() - National Provider Identifier (NPI): 1104477983 - Credentials: PhD - Provider type: Clinical neuropsychologist - Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free ## Questions ### Where is THOMAS NGUYEN? THOMAS NGUYEN is at 411 N WASHINGTON AVE STE 5000, DALLAS, TX, 752461792. ### How do I contact THOMAS NGUYEN? To contact THOMAS NGUYEN, call 214-820-5779. ### Is THOMAS NGUYEN 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=1104477983), 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 DALLAS]() - [Clinical neuropsychologists in DALLAS]() - [More ADHD evaluation providers in DALLAS]()