Originally Posted by jdjmeza

You can submit your medical examination with the initial application. You can also take it to your interview (sealed) if not asked for it before as a RFE. The exam is not covered by insurance but your immunizations may be. Cost depends on doctor, you can find a list of USCIS authorized doctors in the link below. When you go, make sure to take your vaccination record to save yourself from taking unnecessary shots.

https://my.uscis.gov/findadoctor