Patient Home Monitoring Corp. is a healthcare service company. The Company is engaged in providing in-home monitoring equipment, supplies and services to patients in the United States. It operates through three segments: Viemed, PHM and Corporate. The Viemed segment is a Medicare durable medical equipment supplier that provides non-invasive ventilation equipment and services across the nation. The PHM segment provides in-home monitoring and disease management services for patients in the United States healthcare market. It offers services, such as respiratory disease management, including chronic obstructive pulmonary disease; equipment solutions; in-home sleep testing; sleep apnea and positive airway pressure treatment; oxygen therapy; respiratory equipment rental, and international normalized ratio (INR) self-testing. The Viemed segment has operations throughout the Central and Southern United States. It focuses on providing in-house sleep testing for sleep apnea sufferers.