# 1St Class Sleep Diagnostic Center Inc 1St Class Sleep Diagnostic Center Inc is a sleep clinic with an address in Centreville, VA, United States. ## Details - Address: 14631 LEE HIGHWAY SUITE 401, Centreville, VA, 20121, United States - Phone: [703-385-9222]() - National Provider Identifier (NPI): 1265518005 - 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 1St Class Sleep Diagnostic Center Inc? 1St Class Sleep Diagnostic Center Inc is at 14631 LEE HIGHWAY SUITE 401, Centreville, VA, 20121, United States. ### How do I contact 1St Class Sleep Diagnostic Center Inc? To contact 1St Class Sleep Diagnostic Center Inc, call 703-385-9222. ### Is 1St Class Sleep Diagnostic Center Inc 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=1265518005), 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 Centreville]() - [Home sleep apnea testing providers in Centreville]() - [In-lab polysomnography centers in Centreville]() - [Sleep disorder diagnostic clinics in Centreville]() - [More sleep clinics in Centreville]()