# Avalon Diagnostics Llc Avalon Diagnostics Llc is a sleep clinic with an address in Durant, OK, United States. ## Details - Address: 208 W EVERGREEN ST, Durant, OK, 74701, United States - Phone: [580-924-3903]() - National Provider Identifier (NPI): 1154661841 - Provider type: Sleep disorder diagnostic clinic - Sleep studies offered: In-lab polysomnography (CPT 95810), Home sleep apnea test (CPT 95806 / G0399) - Source of the listing data: CMS NPI Registry, retrieved 2026-10-28, public, free ## Questions ### Where is Avalon Diagnostics Llc? Avalon Diagnostics Llc is at 208 W EVERGREEN ST, Durant, OK, 74701, United States. ### How do I contact Avalon Diagnostics Llc? To contact Avalon Diagnostics Llc, call 580-924-3903. ### Is Avalon Diagnostics Llc accepting new patients? That is not in the registry data. Call the phone number on the listing and ask about availability, referral rules, 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=1154661841), license US government public data. CMS publishes NPPES provider data for open access under its data dissemination notice., checked 2026-10-29. Last updated October 29, 2026. ## Links - This sleep clinic on the [web page]() - [Sleep studies in Durant]() - [Home sleep apnea testing providers in Durant]() - [In-lab polysomnography centers in Durant]() - [Sleep disorder diagnostic clinics in Durant]() - [More sleep clinics in Durant]()