Dr. Markus graduated from Wright State University Boonshoft School of Medicine in 1982 and has been in practice for 36 years. He completed a residency at Mt Carmel Medical Center. Dr. Markus also specializes in Colorectal Surgery. He currently practices at Regional General Vascular Surgeons and is affiliated with Oconomowoc Memorial Hospital, Watertown Memorial Hospital and Waukesha Memorial Hospital. Dr. Markus accepts multiple insurance plans including Aetna, Medicare and Blue Cross Blue Shield of Illinois. Dr. Markus is board certified in Surgery. Dr. Markus also practices at Regional General Vascular Surgeons in Watertown, WI. In addition to English, Dr. Markus's practice supports this language: Spanish.