ADSI is a Medicare certified IDTF that conducts home sleep apnea testing & overnight oximetry testing throughout the United States. Through our web platform & apps, home medical equipment suppliers can track & view patients through the entire testing process. - Capture Patient Signatures - View Oximetry, HST & R&E Reports - Fax Oximetry, HST & R&E Reports - Track your Executive Dashboard - Upload Bluetooth oximeters while at the patient's home