First of all, has your doc given you a referal to a diabetes educator and a diabetes nutritionist? Make sure the nutritionist is experienced with diabetes because we have special cares and concerns that are different from the general population.
If you don't have the referal, phone your doc and ask for one. Don't take no for an answer.
Do you drink water? If not, then start. You don't have to go from zero to 8 glasses in just one day, Take baby steps and try to add a little more each day or two until you are up there. Water is important as it helps flush the sugars and sodium and toxins from the system.....
Track your food daily so you know where you are at now and what you will need to do to get your meals under control. Taking your reports/print outs with you when you next go to your doctor or when you go see the nutritionist will give them a basis to work from..... It is a process and will not happen overnight.
Are you checking your blood sugar levels? Some doctors say it is not necessary, but I find it better to know what various foods do to me than just guess. It may also depend on what your medical plan will cover, but I understand there are some fairly reasonable meters available in such places as Wal-Mart but you may want to check that out. Also see what the strips cost because some strips are much more expensive than others..... (Sorry, I can't be more specific because I live in Canada and things are a bit different here.....)
Stop by often - daily if you can - and read the posts and articles. Ask any questions you have, and someone is always around to respond....
Good luck to you....