Augustus
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Most physicians are in private medical groups, and they are for profit, and that is a good thing.
A physician is rarely an employee. He has a vested interest in providing quality service in a timely matter. If he does not, market forces apply and the customer will find another health care provider.
The problem with 'free market' healthcare is that most patients lack the knowledge to judge the quality of their care or what is best for them.
I use a large multinational healthcare provider where I live (not the West) that would be considered one of the best in the country.
I asked my doctor why I appeared to be being given more medicine and more tests than were necessary and she told me it was standard practice.
This was for 2 reasons, one is the obvious profit motive and as insurance pays most people don't care about this. As well as unnecessary treatments, they also choose the more expensive options for medicines, etc. when ones that cost a fraction of the price would be equally effective. Personally, I prefer my treatment not to be viewed through a revenue enhancement lens though.
The second was that people expect treatment. The less the doctor does, the more people complain as they want the doctor to "do something". Telling the patient to wait it out, or to change aspects of their lifestyle is usually judged to be worse than giving a load of tests and pills, and prescribing a 'magic fix' to problems that are best solved in a non-medical manner.
'Keeping the customer happy' is not necessarily acting in the customer's best interests, as people are judging the perception of good treatment, rather than good treatment itself.
This leads to a massive bias towards overtreatment, as is apparent in the US and many other places.