What would be an awkward reason to randomly see somebody in the hospital

I used to like watching the heart monitors as a kid for some reason, so sometimes I would be told off for staring at people when all I wanted to do was just study your beats bruh

"Hello, Mr. Doctorian, I'll be performing your proctological exam today. Oh, Richard! Hi! It's me, Colleen. Remember, we went out a couple times back in college...."

Employer there to give you a tax form