moderator or anyone

[rajiv]

hi
i have a b1 visa. on annotation it is written clinical skills exam. visa is multiple entry and valid till dec. now i have to go for step 3 and interviews of usmle. can i use the same visa or i have to apply for visa again as my purpose of visit is different.
since i have to go in mid oct can i apply for a new visa before expiry of the old b1 visa
thanks for any help

[immihelp]

I think you can use same visa.