Real question, why not? It seems like a reasonable request barring needing to go into the office. My comms and images with our pediatricians are through their app (not email), which they constantly remind us is under strict HIPAA compliance.
Because it's not worth losing your Gmail account or having to explain to everyone you meet that no, you're not a pedophile, and you weren't "caught with CSAM," it was just an over-zealous prosecutor responding to an automated report and a misunderstanding about some photos the doctor requested, and anyway that case was thrown out...