From just a random source:
"The average cost of Medical Malpractice Insurance is $7,500 annually. However, there many types of doctors and countless insurance variables. Keep this in mind when searching for coverage. Surgeons pay between $30,000 and $50,000 a year."
https://howmuch.net/costs/medical-malpractice-insurance
So for most doctors its about 2% of pre-tax salary
So for most doctors its about 2% of pre-tax salary