I filled my taxes return married filling joint with my spouse that has as ITIN number and because of that did not receive a stimulus refund. Is there anything I can do so that I myself can get a refund.

No you will not get the rebate.
Also once you file joint return, you cannot amend it to file separate return.

If you do not receive full amount of $600 now, then you may get the balance amount when you file your 2008 return, and you become eligible for the tax rebate.

For information on stimulus tax rebate schedule, the eligibility and how much rebate you will get read: Your U.S. Tax Return: Are You Eligible for 2008 Stimulus Tax Rebate Payment? (http://taxipay.blogspot.com/2008/02/are-you-eligible.html)