Yes, a professional helicopter pilot obtains a basic licence. Furthermore, an annotation is added for each type of aircraft, or each type of helicopter. The pilot must take training and get the instructor's signature. Then, for night flights, the use of flight instruments and being the captain of a 9-passenger and up plane, and aircraft over 7,000 lb, another type of licence is needed. That is called an airline transport pilot licence.
On May 4th, 2010. See this statement in context.