Disclosed herein are systems and methods for remote prescription of medication-dosing regimens. One embodiment takes the form of a method that includes presenting, via a healthcare- professional-(HCP)-portal user interface of an HCP system, multiple medication-dosing regimens pertaining to a patient. Each presented medication-dosing regimen is associated with a respective different medication-dosing algorithm. The method also includes receiving, via the HCP-portal user interface, an HCP selection of at least one of the presented medication-dosing regimens. The method also includes transmitting, to a medical mobile application (MMA) on a mobile device associated with the patient, HCP-selected-regimen data indicative of the at least one HCP-selected medication-dosing regimen.