Most modern pacers are fine in the MRI
magnet. Make sure to get your MRI in a 3T
magnet, on an MS protocol, with and without contrast.
If you're willing to go as far away as Vanderbilt or St. Louis, you might also try Cleveland Clinic. Lulu might pipe in, here, with some other Ohio specialists.
In the mean time, check out our Health Pages (links on right side of page), especially the ones "Advocating for Yourself" and "The Importance of the Timeline".