Not one doctor I know and I know many feels this way
My premiums went from 480-1271 with Magic Negro Care
I am a doctor, working since 1976, never a government employee, and I am a (very reluctant) supporter of single payer with a private option (cash for what you want) that would eliminate the insurance companies.
They have become, in effect, a cartel which provides a service (payment) under heavy government regulation but not subject to political control. Together with the hospitals, which are in effect their partners in the enterprise, they restrict and limit care while demanding compliance with “protocols” not based on the best we can do.
At least with a single payer, the user of services has recourse to the political system.