Blood clots about 7 years ago DVT and PE. Recent problems with legs doppler on both neg - should I ask for additional testing? Still worried.

Unclear. If your dopplers are negative then you are probably fine but I am not sure what you mean by "recent problems." If you develop shortness of breath or one sided leg swelling address this immediately.
Depends on symptoms. If you continue to have leg problems that are affecting your quality of life and are causing you anxiety, then you should pursue further evaluation of your symptoms. It is difficult for me to recommend the net steps since I don't know what leg symptoms you are having. Start with dr who ordered your lower extremity dopplers.