How many doctors does it take to screw in a lightbulb?
One to find a bulb specialist, one to find a bulb installation specialist, and one to bill it all to Medicare.
A doctor accidentally prescribes his patient a laxative instead of cough syrup. Three days later the patient comes for a check-up and the doctor asks, “Well? Are you still coughing?” The patient replies, “No, I’m afraid to.”