There are 600,000 physicians in America who care for the 48 million seniors on Medicare. Of the $716 billion that the Affordable Care Act cuts from the program over the next ten years, the largest chunk—$415 billion—comes from slashing Medicare’s reimbursement rates to doctors, hospitals, and nursing homes. This significant reduction in fees is driving many doctors to stop accepting new Medicare patients, making it harder for seniors to gain access to needed care. Here are a few of their stories.