A 2007 study analyzing Medicare beneficiaries' healthcare visits showed that a median of two primary care physicians and five specialists provide care for a single patient.
2007年對Medicare受益人醫療保健就診情況進行分析的一項研究顯示，從中位數來說，為同一位元病人提供診療服務的有兩位元初級保健醫師和五位專科醫師。