The article deals with professionalization peculiarities of creative thinking of doctors depending on their qualification level. Thus, doctors of the highest rank have higher rate of creative attitude towards their trade, doctors of the first rank show high intuition level, whereas doctors without any rank have high imagination. Doctors without any qualifying rank tend to have various components of creative reserve, such as imagination and curiosity. The interrelation between doctors’ creative ability level and certain creativity manifestations. The high creativity level among doctors without any rank is due to high level of creative thinking. For doctors of the second rank, it is connected with the high level of imagination, and for doctors of the highest rank, it is due to the high originality level. Proof has been obtained that creative thinking and active doctors do not complain about their patients, because they create a certain meaningful field, providing for productive mutual understanding. One criterion of a gifted doctor is the efficiency of his medical activity, which is closely connected to the clinical thinking as an efficient psychic process. Discovering the unknown, due to this cognitive process, gives birth to important professional and personality formations.