Job Summary and Responsibilities Essential Function Administering therapy modalities which include, but are not limited to, Hand held Nebulizer (HHN), HHN via metered dose inhaler (HHN/MDI), Intrapulmonary Percussive Ventilation (IPV), Chest Physical Therapy (CPT), Pentamidine therapy. Medication administration may be included during these therapy modalities Administering medical gas therapy including oxygen and Helium-Oxygen Therapy (HeO2).