There are several groups here in the Chicago area that have lots of information for you. We were diagnosed on the same day (6/26) and I also received little to no information from my doctor and dietician.
Rush has an adult celiac research program and the University of Chicago has a Celiac Disease Center. (http://www.celiacdisease.net/) Ronnie is on the phones and she is really good with advice. Also, if you were diagnosed with a endoscopy and are within the first 3 months of your diagnosis, they send out a "welcome" pack with samples and resources and whatnot (I am waiting excitedly for mine).
The Celiac Sprue Association of Greater Chicago is having a Gluten Free Picnic on Saturday. Their website is
http://csagc.park-ridge.il.us/ They are another great resource for doctors.
I got the most support by going into matchup.com and finding the group Windy City Celiacs. I was so frustrated last week after receiving NO support from my GP, my GI AND my dietician and they responded with a TON of information, support and help.
Rush and the University of Chicago would be the two places I would start. Be careful, cuz I discovered that due to my HMO and my PCP home network, I cannot go to either place as they do not have a contract with my PCP's network...so insurance can catch you up.
Hope this helps from another new Windy City Celiac!
ps -- congrats and good luck!