How to cure this. Or any other?

My father had some kind of blood clot near small brain due to which experience paralytic state however due to quick medication he was save from full paralysis...he can walk now but he still have pains on his left side of body due to which he is having trouble while sitting on ground or during getting up . Also prior to blood clot , my father had blockage in heart . They have been removed by angioplasty and ballooning but he still feel the pain .it almost a year now from his return from hospital everything was ok for 4 months but now it started again ..he is having much pain while walking ..so shall I consult a cardiologist, neurologist , physiotherapist or any other ? Also he has high blood pressure problem.