Possible Clues:

• Cooks for consultants
• 'ER' extras
• Clinic group
• With 39- and 50-Across, group of physicians providing aid in over 60 countries...or an explanation for 14 letters missing in this puzzle?
• International medical group that won the 1999 Nobel Peace Prize, literally
• With 36- and 40-Across, organization whose name hints at some missing letters in this puzzle
• Ward bosses?
• Falsifies, as data
• Alters entrances around court
• See 35 Across