In making an assignment of a Corps member to an entity that has had an application approved under section
254f of this title, the Secretary shall, subject to making the assignment in accordance with section
254f–1 of this title, seek to assign to the entity a Corps member who has (and whose spouse, if any, has) characteristics that increase the probability that the member will remain in the health professional shortage area involved after the completion of the period of service in the Corps.