While each individual will "get ready" for their career by following different timelines and pathways, here is an outline of what you should be thinking about and possibly doing during each of your four years of college preparation for a health-related career or profession. You should start preparing during your freshman year, and progress signficantly by your senior year in academics, public service, research, work in the medical profession, and personal leadership.
Junior / Senior
Helpful Links (while these may be directed toward medical school, the information is applicable to all health professions)
How to Write a Personal Statement
Letters of Recommendation