I saw Dr. Han for my first pregnancy in Oct 2017. We waited for around 2 hours but only had a short 5 mins meetup with him. He looked very rushed, continuously looking at his phone and even took some of the calls which sounded like he needed to rush for an emergency delivery in near time. We felt like we did not get the attention and care we deserve, given we paid quite a plenty ($200ish). Then he asked me to quickly lie on the bed so he could scan my tummy. After which he went to check my breast and explained to me that I will have a lot more lumps than usual. Then, he asked to watch out for it myself. This might sound disturbing but the way he examined my breasts was very abrupt and harsh. It does not help that my breasts were rather sore. At that point of time, I doubted myself if I chose the right gynae. We were also not given ample time to ask questions and neither he seemed to be very willing to receive questions from us. So the session quickly ended with his prescription for me. We discussed if we wanted to continue with him after. But given the positive reviews given by a lot of moms out there, we decided to give him a second chance. Came our second appointment, we waited even longer as he was in the middle of delivery as well. When he came back, he looked a bit more relaxed and he even had time to joke around with us.
Everything seemed fine until the week 13, when we did our down syndrome scan. We found out that our baby's heart showed some anomaly hence needed further checks. To cut the story short, we did not receive any follow up calls or appointments from Dr. Han's clinic, neither did he offer to review the result with us. When asked about the result in our next appointment, he only told us to liaise with the fetal scan center and to not discuss about appointments for the moment until we get better clarity. We were very disappointed with the treatment we received from the clinic. We found out later that his specialty (based on his title) is on Urogynecology which is focusing on disorder of the female pelvic floor, not on Obstetrics & Gynaecology (medical specialty on female reproductive organs' health and the management of pregnancy). So I think he could be okay for a smooth-running pregnancy, but not so much when you look for a reliable caring gynae to handle high risk cases.
Overall, the whole process in KKH is very much disjointed afterwards, different departments are not talking to each other and we were treated like an object being passed around from one doctor to another without a single point of contact. We decided to move our case to NUH based on some doctors' and friends' recommendation.
I think gynae experience is very much personal. While looking at forums might help, you need to experience it yourself to see if that works out for you. Hope this helps with your gynae hunting.