Handles Insurance questions and/or obtains information from various Perlmutter Cancer location areas including but not limited to, physicians, patients, patient advocates, payers, and outside agencies via telephone, mail, or in person associated with treatment matters. Also contacts Medicare, Medicaid, Medicaid Managed Care plans, Blue Cross, and all other PPO, EPO and HMO commercial carriers pre-certification areas for updates regarding authorization screenings, and all other external agencies and patient advocates.