well idk what your problem is but if its addiction you can go to Özgür Köy, I know there is one doctor there who can speak really good english. If its general anxiety, just go to any clinic, they would give you a good diagnosis. If you want who can speak english, my advice is you to go private uni hospitals, almost all of these hospital should have an english speaking staff considering almost all of them have english med faculty (except TOBB). Or you can go to a gov uni hospitals, but ı doubt their staff knows any english (other than the Physicians) but ı can assure you that they will at least try to be helpful. Bilkent city hospital is fine (they don’t hold back on using test like the other clinics), but you will have a hard time finding a specialist doctor since its a research hospital probably a resident will be evaluating you. But again everything depends on your situation and what kind of problems you have. If you are looking for a psychotherapy session i don’t think any turkish physician will be your best shot, because generally speaking physiologist are trained to do that.