Just ran across a study of Medicare Knee and Hip operations between 2009 and 2013 along with six other common surgery's.
You can search on Hospital, Doctor, Location. Shows the number of procedures during the 4 year study period and results.
Here is the study website....
https://projects.propublica.org/surgeons/
Hope you will find it useful. Most of the surgeons discussed around The Villages are noted in the study.