Hmmm, I dont see the cause of the problem looking at the code for the page.
to troubleshoot, find the following line:
$WADAPhysicians = mysql_query($query_limit_WADAPhysicians, $optimus) or die(mysql_error());
and change it to:
$WADAPhysicians = mysql_query($query_limit_WADAPhysicians, $optimus) or die(mysql_error()."<br />".$query_limit_WADAPhysicians);
this will write the sql to the screen along with the error to help us see what is going wrong, please post back the results or a link where we can see the issue.