I am an old graduate (2002)
Have got my CK score today :250
I have completed my postgraduate training in Plastic surgery from my home country
I have also done MRCS from The Royal College Of Surgeons of UK
Currently working as a staff grade surgeon in plastic surgery in England
I have got 3 publications
Loads of volunteer experience with smile train and operation cleft and interplast USA
I am also a faculty member of Australia and New-zealand burn association for the EMSB course.
I was wondering Is it a good score for me to proceed for the rest of the exam??
I have got a US green card as well.

Why not? keep going and wishing you good luck!