Nutrition Counseling Recommends appropriate nutrition intervention to the metabolic and bariatric surgery patient preoperatively and postoperatively based on subjective and objective data, including but not limited to protein parameters, iron level, vitamin levels, and calcium level. Screening and Assessment Assess the metabolic and bariatric surgery patient by screening the medical record, completing a comprehensive assessment based on medical record data and interview with the patient, and by assessing the patient based on religious, cultural, and ethnic preferences.