2016 Health Care Cost and Utilization Report

"A concurrent drop in use of primary care physician (PCP) visits and rise in use of specialist visits raises questions related to substitution and access.  We rarely observe a decline in spending on health services. Within the professional services category, however, two types of services had net declines from 2012 and 2016. Spending on professional radiology services fell by 3%, but more striking was the 6% decrease in spending on office visits to PCPs".