Create well documented ER diagram

• ERD for patient and insurance claim management system
• Patients complete patient information on their first visit
• Patient information includes name, address, phone number, and insurance carrier
• Patient information is stored in the patient information file
• Patients can only be signed up with one insurance carrier
• Patients must be signed up with an insurance carrier to see the doctor
• An insurance claim is sent to the carrier each time a patient visits the doctor
• The insurance claim includes visit information such as date, purpose, and cost
• A patient can submit two claims on the same day
• Include PKs,FKs,cardinality,normalization, description between entities