Re: OB/GYN Central Dupage Hospital. JenScott-4-09 member. October 2009. I work at CDH and I also have my OB/GYN there too. I see Dr. Mark Gapinski. He is awesome. You can email him with qustions/concerns and he personally calls you back almost right away. They also have a patient portal where you can schedule your appointments and see you lab ....