Related Clues:

• "I --- Rock" (Simon and Garfunkel hit)
• Medical plan, for short
• Patient insurance grp.
• Fitness grp.
• Famous jour. publisher
• Palindromic org.
• Org. founded by Dr. Nathan Smith Davis
• M.D.'s org.
• Med. group
• Group of Drs.
• G.P. group
• Battler of Big Tobacco: Abbr.
• Doc's grp.
• Oxford, for one: Abbr.
• "I ___ lineman for the county"