Forget what to do now lol

it's been 8 yrs since I had my son so I forget what to do! since I got positive pregnancy tests do I call my primary doctor to order blood work for confirmation? or a random OB? I had a loss in February of this year so I want it to confirm my levels are going up and not down. I'm so nervous that I'm scared to be too excited. I know I'll need to call OB to make my first appt for around 9 weeks but I never made it that far last time so a little advice would be greatly appreciated