i'd suggest you attend a community meeting of RIPAC, a patient advocacy
group here in RI that helps patients and caregivers.

they don't recommend Dr's per se, but i'm sure you will be able to get a list
of mmj doctors from them, unofficialy at least.

here is a link to their site where you will find much info that will be helpful.

RIPAC: Medical Marijuana in Rhode Island

btw, the RI board will be as active as we make it.