Provides direct patient care to include obtaining patient history, performing patient assessment via observation, interview and examination; orders, performs and interprets diagnostic studies; performs preventative health assessments, screenings, immunizations and care; provides direct treatment and management of acute and chronic disease conditions; develops and implements patient-centered plan of care in collaboration with physicians, patients, consultants, nurses, ancillary care providers and others as appropriate to the patient's condition. Advanced Practice Nurse (APN) - Illinois Department of Financial and Professional Regulation, Advanced Practice Nurse (APN) - Missouri Division of Professional Registration, Certified Nurse Practitioner - Illinois Department of Financial and Professional Regulation, Certified Nurse Practitioner - Missouri Division of Professional Registration, Physician Assistant - Illinois Department of Financial and Professional Regulation, Physician Assistant - Missouri Division of Professional Registration.