About DELAWARE SLEEP DISORDER CENTERS, LLC. Delaware Sleep Disorder Centers, Llc is a provider established in Rehoboth Beach, Delaware specializing in clinic/center (sleep disorder diagnostic) . The NPI number of Delaware Sleep Disorder Centers, Llc is 1225318983 and was assigned on August 2011. The practitioner's primary taxonomy code is 261QS1200X.The provider is registered as an ....