Silver Book Fact
In 2005, the number of physician visits was 13,914 per 1,000 Medicare enrollees.
Federal Interagency Forum on Aging-Related Statistics. Older Americans 2010: Key Indicators of Well-Being. Washington, DC: US Government Priting Office; 2010. https://agingstats.gov/docs/PastReports/2010/OA2010.pdf