Dr. Mark W. Dreyer graduated from the University of Wisconsin Medical School in 1976. He works in Brookfield, WI and 2 other locations and specializes in Gastroenterology. Dr. Dreyer is affiliated with Waukesha Memorial Hospital and Wheaton Franciscan-Elmbrook Memorial Hospital. He speaks English and Spanish.
Languages Spoken: English, Spanish
Medical School: University of Wisconsin Medical School; Graduated 1976
*This physician has multiple office locations. See Office Information for details.