Use 112 in case of and accident
In case of a serious accident contact the local police. In larger towns you will find a local hospital, and in smaller towns medical place for medical treatment.
Remember to bring your own medicine prescription drugs for the duration of your stay as certain drugs may not be available at healthcare centres or hospitals in Greenland.
Nonprescription drugs you will be able to buy at grocery stores around towns in Greenland. Also recommended is to have travel insurance when you traveling to Greenland.