Marie Mendoza. Her primary practice is as a Nurse Practitioner: Acute Care, also practicing as a Nurse Practitioner: Critical Care Medicine, a Nurse Practitioner: Gerontology, a Clinical Nurse Specialist: Acute Care, a Clinical Nurse Specialist: Adult Health, a Clinical Nurse Specialist: Critical Care Medicine, a Clinical Nurse Specialist: Gerontology, a Nurse Practitioner, and a Clinical Nurse Specialist.