An information processing apparatus for medical information includes a determination unit that determines whether specific information is to be associated with a medical image obtained by imaging of an object based on information concerning the imaging of the object, a period obtaining unit that obtains information indicating a period that has elapsed between a reference time concerning the specific information and a time of imaging of the medical image, and a processing unit that associates with the medical image the information indicating the period as the specific information in a case where the determination unit determines that the specific information is to be associated with the medical image.