David Candelario. His primary practice is as a Respiratory Therapist, Registered: Critical Care, also practicing as a Specialist/Technologist, a Respiratory Therapist, Certified: Critical Care, a Respiratory Therapist, Registered: Critical Care, a Respiratory Therapist, Registered: Pulmonary Diagnostics, and a Respiratory Therapist, Registered: Neonatal/Pediatrics.