Overview. Critical Illness Recovery Hospital. Select Specialty Hospital - Johnstown. . Registered Nurse (RN). . PRN, Per Diem. . Hours: 7:00 - 7:30. . Pay: $42.00 per hour. . . . . At Select Specialty Hospital, a division of Select Medical, we care for chronically and critically ill or post-ICU patients who require extended hospital care. We employ over 48,000 people across the country and provide quality care to approximately 70,000 patients eac...