Hi, I am a phd student married to an US citizen. I previously applied for opt and got EAD card. There is 9 Digit USCIS number in the card. While filling the I693 MEDICAL form, the civil surgeon used that 9 digit number as A number . Is that okay. ?? And also If I leave blank for the A Number in the other forms while I-693 containing my 9 digit USCIS number as A number, will it reject my application? Can Anyone let me know?