try naji kamal naji, its a private clinic and he is the only doctor there.
it's located in al-sadd, near the british council.

https://www.google.com.qa/maps/place/British+Council/@25.2795007,51.4921039,18z/data=!4m2!3m1!1s0x3e45dae85a1f80db:0xd1c44427cd2395bc?hl=en