So you can easily afford to retire, and you have an inkling it would be good for you to step away, but you owe it to your patients to stick around. If you’re not there to care for them, who will step up to take your place?
If you’ve reached FI at a relatively young age, you’ve probably done so by serving a worthy purpose of some kind. At a minimum, your job was worthy of a high-income relative to your salary.