Doctor's Choice PLDS is an international health care organization offering licensed health care professionals a one stop shop solution for obtaining deep discounts on diagnostic laboratory services provided by some of the world's best laboratories. We take the cumulative buying power of well over 1,000 health care professionals in our organization and continually negotiate the absolute lowest prices with our laboratory partners. These discounted prices are then passed on to our entire membership. So, whether you have a low-volume or a high-volume practice, we are certain that we can save you money