You can look for east-coast treatment centers in the
List of treatment centers by state or
Treatment Center Map. The centers labeled "CoE" (short for "MDS Center of Excellence") are known to have well-developed MDS treatment programs. Many of the rest do as well.
Stem cell transplants are indeed risky but they don't require surgery. If your Dad had a transplant it would be a "mini-transplant", with less harsh pre-conditioning than a full transplant. The actual transplant is just like a blood transfusion, given through an IV tube, except that the donor's stem cells are what's being infused.