Bp sitting is 113/81 pulse 80. standing it is 135/91 pulse 97. light headed all the time. should doc know these numbers?

Yes: Call your doctor for an appointment. The symptoms you describe are concerning-- dizziness, weakness and chest pain need to be promptly and thoroughly evaluated. Even though you are young, you need to get this checked. Do it now.

Lightheaded: Its good to provide your doctor with those numbers as they eliminate some sources of lightheadedness. Suggest keeping a journal as to when your symptoms occur, looking for clues you could provide to your doctor when you see him/her. If your symptoms are severe or progressing, you should see your doctor sooner.