The quickest way to figure out how many patients you have in your account would be to run a data export!
This article will walk you through the steps.
Get your total number of patients
Head to Settings, and then Data exports:
Select "patients" as the type of data you want, and be sure to select "Any time" to "Any time" as your date ranges:
Click that Export data button!
Once your file is ready, you'll see it in the list of available exports to download. The number in parentheses under "Patients" will indicate the total number in your account:
You can use this same method to calculate the total number of other things in your account, as well! Whatever is in the parentheses under the "type" of data you've exported will indicate how many of that thing existed in your account at that in time.