From regular check-ups to more complex health issues, the office of John Sun MD in Tomball, Texas, is equipped to take care of your family's health from head to toe. We have years of experience treating medical problems of every kind, for every member of your family. Our comfortable office will put you at ease during every visit. Our highly qualified and educated staff uses the latest medical advances and technology to treat you, and provide education on your options. Contact us today to see what we can do for you.