# Delmarva Sleep Diagnostics, Inc. Delmarva Sleep Diagnostics, Inc. is a sleep clinic with an address in Middletown, DE, United States. ## Details - Address: 104 SLEEPY HOLLOW DR SUITE 203, Middletown, DE, 19709, United States - Phone: [302-449-5460]() - National Provider Identifier (NPI): 1003853540 - 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 Delmarva Sleep Diagnostics, Inc.? Delmarva Sleep Diagnostics, Inc. is at 104 SLEEPY HOLLOW DR SUITE 203, Middletown, DE, 19709, United States. ### How do I contact Delmarva Sleep Diagnostics, Inc.? To contact Delmarva Sleep Diagnostics, Inc., call 302-449-5460. ### Is Delmarva 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=1003853540), 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 Middletown]() - [Home sleep apnea testing providers in Middletown]() - [In-lab polysomnography centers in Middletown]() - [Sleep disorder diagnostic clinics in Middletown]() - [More sleep clinics in Middletown]()