Question about HCG levels!

I just for my results back from this morning. I am 4 weeks 6 days (estimated by lmp) and HCG is at 1012. Trying to figure out if this is a good number for where I'm at? 
We experienced a miscariage last month, and are overjoyed to have recieved another positive so soon!  And so are understandably nervous. The doctor did not seem concerned with the number which I guess is a good thing.