"Three-quarters of emergency physicians say they've seen ER patient visits surge since Obamacare took effect ... In addition to the nation's long-standing shortage of primary care doctors -- projected by the federal government to exceed 20,000 doctors by 2020 -- some physicians won't accept Medicaid because of its low reimbursement rates. That leaves many patients who can't find a primary care doctor to turn to the ER -- 56% of doctors in the ACEP poll reported increases in Medicaid patients."