Home › Top 4 Obstetrician-gynecologist in O'Fallon, Illinois Find best Obstetrician-gynecologist in O'Fallon, Illinois, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Dr. Christina H. Dothager, MD, LLC US, O'Fallon, IL 62269787 Sunset Blvd Ste 200 Dr. Christina L. Midkiff, MD US, O'Fallon, IL 62269734 Cambridge Blvd Suite 200 Dr. Markel L. Owens, MD US, O'Fallon, IL 62269734 Cambridge Blvd Katy E Gray, MD US, O'Fallon, IL 622691414 Cross St Suite 240