“The Patient Protection and Affordable Health Care Act (PPACA) is projected to yield $575 billion in Medicare savings over the next 10 years, mostly from Medicare payment reductions to doctors, hospitals, and health plans. But beneath these payment reductions, the PPACA also makes statutory changes that could challenge the autonomy of physicians to treat patients as they think best, undercut the freedom of physicians to remain in private practice, and threaten the continuation of fee-for-service medicine regardless of the preferences of doctors and patients.”