"they make you wait months for one date" - that is unacceptable, just like overpricing is.

The medical market has far too much friction and rent seeking behaviour. I do not agree with the short version, but I agree with your long version.

I dream about the day when (if?) the medical market become a perfect market in the economical sense - price taking behaviour, pure and perfect competition, factors of production being paid at their marginal productivity

I believe that, among other things, the financial incentives are a step forward. We apparently have different ways, but a same goal.