Providing clinical care to high risk newborns, including umbilical arterial and venous insertions, PICC line insertions, intubations, lumbar punctures, needle aspiration of pneumothorax, pigtail chest tube insertion, arterial and venous punctures, and insertion of percutaneous intravenous central catheters under the direction of Neonatologist or Nurse Practitioner credentialed to perform these procedures. Coordinates and delivers primary care to critically ill newborn patients (under the supervision of Neonatologists and the Neonatal Intensive Care Nurse Practitioners) by: Completing an admission H & P, including maternal history, physical examination, determination of diagnosis, and a initial plan of care after consultation with the neonatologists.