These tools, resources could be very useful for your analysis.
Most Useful Formulas There are obviously loads more that Excel offers, but I found that I use these much more frequently than any other formulas.
Most Useful Keyboard Shortcuts: these are the keyboard short cuts that will transform slow/inaccurate mouse clicking to you “flying” around the screen using only keyboard. You will navigate the spreadsheet a lot faster and more accurately.
Public health/Research data:
Kaiser Family Foundation for great health financing data as well as in depth research
MEPS: medical expenditure panel survey
Health data references
more to come…