General Info

Dr. William Wittmann is a board certified physician in Internal Medicine. He began practicing medicine in Oconto Falls in 1985 and joined the Bellin Medical Group in 1997. Dr. Wittman performs colonoscopy and egds for area patients. Education: University of Minnesota, 1980 Residency program at Marshfield Clinic. Dr. Wittmann enjoys traveling, diving, bike riding, swimming, his family, and following our beloved Packers. Affiliations: American College of Physicians Wisconsin State Medical Society Secretary of the Oconto Medical Society Member of the Experimental Aircraft Association Bellin Health Systems Board Member Bellin College of Nursing Trustee Unity Hospice.