1 The price range for a cardiologist visit according to HarvardPilgrim.com can cost anywhere from $289 to $443. 2  This includes various visit lengths with the cardiologist regarding diagnosis and treatment of heart related diseases. With cardiologist visits, the geographical location as well as the expertise of the doctor can greatly influence the price. 2  A visit to the cardiologist can cost differently depending on the medical institution to which you go.