Several people have asked for info on closer-to-home parathyroid surgeons.  UCLA Endocrine Surgery department - a highly-regarded center headed by Dr. Michael Yeh - has a list of reputable centers around the country.  I believe that several of the doctors people have recommended practice at these centers.  Here's the link

http://endocrinesurgery.ucla.edu/reputable_webresources.html#affiliates