A hair transplant surgery can change the cow lick direction in the hairline as the surgeon has the ability to direct the angle for each transplanted graft. The doctor needs to examine you to give you a better assessment and determine if your a candidate for surgery.
This type of surgery requires a doctor who is trained in plastic surgery or facial plastic ENT surgery and specializes in this type of surgery. You need to meet with one of these doctors and then get an estimate for that doctor