About Dr. Eugene Kligman MD (he/him) is a gastroenterologist in Mequon, WI. For new and existing patients, please see recommendations on how to schedule an appointment with Dr. Kligman online. As a gastroenterologist, he may specialize in Blood in Stool and Inflammatory Bowel Disease (IBD), in addition to other conditions.. Dr. Kligman has been practicing for over 8 years since graduating from ....