WOONSOCKET, R.I. As CVS Caremark's MinuteClinic passes the milestone of its first decade of delivering convenient access to quality care, and with the nation facing a historic expansion of the market for primary health care, MinuteClinic locations are poised to help primary care physicians handle the influx of 32 million citizens who will gain access to health insurance beginning in 2014, said Troyen Brennan, CVS Caremark chief medical officer, speaking at a Health Affairs Reinventing Primary Care conference on Tuesday in Washington, D.C.