PROBLEM TO BE SOLVED: To properly manage examination information of an examinee by properly performing authentication of the examinee.SOLUTION: An imaging device 130 acquires an authentication method determined on the basis of information about an examinee. An imaging person takes an image of a subject which is the imaging target examinee by using the imaging device 130. Then, an authentication unit 137 of the imaging device 130 performs authentication processing of the examinee on the basis of the acquired authentication method. The authentication means performs authentication processing of the examinee on the basis of at least either of biological information and personal information of the patient.
