I don't know, honestly. I believe you will have to somehow demonstrate that you have worked from home. If you have any receipts that demonstrate that you have worked from home, then yes, you will be able to claim office expenses in this case. Anyway, I am unsure about this answer, so you better speak with a professional in this field. For instance, I know that the guys working for https://www.thefinitygroup.com/financial-planning-for-physicians are cultured enough to answer this question.