A provision device includes processing circuitry configured to store patient information on each patient and examination-treatment information on examination and treatment on each patient dispersedly, acquire consent information indicating consent for provision of the patient information and the examination-treatment information from each patient to a third-party organization and add the consent information to the patient information in a storage, generate provision information obtained by combining the patient information containing the consent information and the examination-treatment information with respect to each patient, and provide the generated provision information to the third-party organization in response to a request from the third-party organization.