The best is
Dr. Fawaz Amin Saad
http://www.alhayatmedicalcenter.com.qa/dr-fawaz-amin-saad.html

And
Dr. Huda Khalid Jassim Al-Mohammad
http://www.alhayatmedicalcenter.com.qa/dr-huda-al-mohammad.html

Both in Al-Hayat Medical Center, Alwabb

You have to get an appointment as long waiting list is there,

Al-Hayat Medical Center is really one of the best medial centers in Doha.