Related Clues:

• Jimmy, Jill, Tom maybe
• Simon & Garfunkel's 'I ___ Rock'
• Chicago-based professional org
• Org. opposed to smoking
• Health care org
• Public health org
• Drs. are in it
• Org. backing Obamacare
• GPs' org
• Drs.' grp
• Gp. of G.P.'s
• Mayo brothers' org
• 'I Rock'
• Gp. whose symbol is the Rod of Asclepius
• "I ___ Rock"