The answer is yes, Nurses can bill for foot care. They can trim toenails and callouses. They can see patients in Nursing Homes, hospitals and make home visits and bill for the Foot care and get reimbursed by Medicare. It is very easy to do. If this is something you are interested in you 100% need to watch this video, which does excellent job of summarizing how nurses can provide foot care and how to do perform.
The one thing I would recommend is that if this is something you want to get into you definitely purchase a billing and coding current book, so when you are performing Nursing foot care you get reimbursed for the treatments you provide.
Now once you have done that I would encourage you to explore this site as it provides multiple questions and answers for Podiatrist as far as billing foot care. These questions can also be used to help nurses as well.