The duration of the program varies greatly from as little as 2 weeks to as much as 9 months. This depends on the number of days/hours per week the class is scheduled and the duration of the program. The requirement with the National Healthcareer Association is that each student must successfully complete a minimum of 30 venipunctures and 10 capillary sticks to graduate. There is also, still, an option to become a phlebotomist by on the job training. While the medical field is evolving, this may change, but currently it is an option and the timeline on that would depend on the trainer, as wood the level of education and skill provided.