# CLAYTON TODDY CLAYTON TODDY is an ADHD evaluation provider with an address in SIOUX CITY, IA, United States. ## Details - Address: 600 4TH ST, SIOUX CITY, IA, 511011750 - Phone: [712-234-0220]() - National Provider Identifier (NPI): 1881634277 - Credentials: Psy.D. - Provider type: Clinical neuropsychologist - Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free ## Questions ### Where is CLAYTON TODDY? CLAYTON TODDY is at 600 4TH ST, SIOUX CITY, IA, 511011750. ### How do I contact CLAYTON TODDY? To contact CLAYTON TODDY, call 712-234-0220. ### Is CLAYTON TODDY 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=1881634277), 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 SIOUX CITY]() - [Clinical neuropsychologists in SIOUX CITY]() - [More ADHD evaluation providers in SIOUX CITY]()