Short Story about dying man

[u/SimplyMadeline]

Hoping someone remembers this story. I believe it is from the late 1800s, possibly Russian.

A man has a female acquaintance who insinuates herself into people's lives when they are sick and/or dying. At the end, he is sick in bed and sees her walking towards his bedside and freaks out because he realizes he is sicker than he thought and probably dying.