People who work in medical collections serve as an intermediary between the patient and the insurance company. Your responsibilities in this career include filing claims, answering patients’ questions about their health care, and advising patients on their insurance and benefit coverage. Medical collectors run a monthly report to find any outstanding bill that is at least 30 days old. You then call up insurance companies to settle any billing matters. Other duties include appealing any claims that an insurance company has denied a patient and fixing any mistakes with the billing department. You also perform administrative tasks.