The nurse case manager should work with patients and their providers to determine what sort of care is needed. It is also important to communicate with the health insurance company of the patient, in order to determine eligibility for certain treatments or programs.
Danish (Dansk) belongs to the East Scandinavian group of the Germanic branch of the Indo-European language family. It is spoken by 5.4 million people in Denmark. It is also spoken in Canada, Germany, Greenland, Iceland, Norway, Sweden, United Arab Emirates, USA. The total number of speakers of Danish worldwide is estimated at around 5.6 million (Ethnologue). Danish is closely related to Norwegian and Swedish.
All of them seem to do very well and get along using only English. Denmark is, at time of writing, on a 3rd place in the EF English Proficiency Index. I've noticed that most of the announcements at train stations, in trains and busses are now both in Danish and English.