# DONALD LAYTON DONALD LAYTON is an ADHD evaluation provider with an address in INDIANAPOLIS, IN, United States. ## Details - Address: 355 W 16TH ST SUITE 5100, INDIANAPOLIS, IN, 462022207 - Phone: [317-396-1300]() - National Provider Identifier (NPI): 1255437778 - Credentials: PhD - Provider type: Clinical neuropsychologist - Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free ## Questions ### Where is DONALD LAYTON? DONALD LAYTON is at 355 W 16TH ST SUITE 5100, INDIANAPOLIS, IN, 462022207. ### How do I contact DONALD LAYTON? To contact DONALD LAYTON, call 317-396-1300. ### Is DONALD LAYTON 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=1255437778), 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 21, 2026. ## Links - This ADHD evaluation provider on the [web page]() - [ADHD evaluations in INDIANAPOLIS]() - [Clinical neuropsychologists in INDIANAPOLIS]() - [More ADHD evaluation providers in INDIANAPOLIS]()