MDOS is so convenient, and it is always being updated . The costumer service is excellent. I have been using it for two years. It is a lifesaver for me, I can’t imagine my work without MDOS now! It assists me in all functions of business , from scheduling, billing, notes to insurance . Robert is so patient and helpful! I haven’t seen any better medical software in the market better than this. It is professionally designed and user friendly .