From Survivor to Healer (2019)

Both are set in a hospital type setting. Both have main characters that have truama in there childhood. They work to over come that truama through the help of someone who cares about them.

Both couples knew each other and were dating in the past but they broke up for sad reasons and misunderstandings. After the break, they try to recover and continue on their own path.
They finally meet again after some years and finish to have to work together.
Both dramas will follow how they will face this situation. How they will deal with their past, will they be able to get over their painful separation and love each other.

Similar story about a female councillor /psychologist who deals with multiple cases and go through difficulties and A male psychologist .
In "the psychologist" the male lead is the female lead school mate just like in "from survivor to healer" the male lead is female lead 's university mate .

This drama is the most related and similar dramas if you wanna watch a drama like "the psychologist"

Both deal with the mental health of patients and in both dramas the male leads struggle with mental illness.