# United Sleep Diagnostics, Inc. United Sleep Diagnostics, Inc. is a sleep clinic with an address in Providence, RI, United States. ## Details - Address: 1 SMITH STREET STE100, Providence, RI, 02903, United States - Phone: [866-711-1299]() - National Provider Identifier (NPI): 1326423641 - 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 United Sleep Diagnostics, Inc.? United Sleep Diagnostics, Inc. is at 1 SMITH STREET STE100, Providence, RI, 02903, United States. ### How do I contact United Sleep Diagnostics, Inc.? To contact United Sleep Diagnostics, Inc., call 866-711-1299. ### Is United Sleep Diagnostics, 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=1326423641), 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 Providence]() - [Home sleep apnea testing providers in Providence]() - [In-lab polysomnography centers in Providence]() - [Sleep disorder diagnostic clinics in Providence]() - [More sleep clinics in Providence]()