Hi mrs_tann, her opening hours are as such at her 2 clinics
Ntu: 830-1230 mon, wed, fri and 130-430 tue, thurs (6592 1732/ 6592 1733)
Chinatown: 3-8pm mon, wed, fri (6534 4131)
Usually u hv to wait one plus mth for the next avail slot unless someone cancels.