Hi Sarah,
I'm another Marylander. Welcome to the site. I had my GCS with Dr. McGinn. Her wait is a bit longer. I would look into Dr. Bluebond Langner. I think she does insurance. She's out of NYC. I did a consult with her a few years ago. I found her very caring, but didn't go with her because she was very new then. My friend went with her and is happy. You might attend the Keystone Conference in March. Both Dr. Leis and Rumer present at the conference. I have personal experience with Rumer. I've had three, going on four surgeries to "adjust" her "work." Personally, I avoid her like the plague. Hope I don't see her at the conference. Oh, I think Dr. Meltzer is sponsoring the conference also and might be presenting as well. Not sure.
Good luck and happy hunting!

Moni
Oh yeah, with McGinn, I had to pay her fee up front, but my insurance reimbursed me fully. Some folks can't afford that, I know. Be cautious about short wait times. Sometimes there is a reason for this.