His areas of expertise include endoscopic sinus surgery, skull base surgery, and facial nerve graft. He is professionally affiliated with the University of Wisconsin Health (UW Health) and the University Hospital. Dr. Hartig honors Medicare insurance. Dr. Hartig attended medical school at the University of Michigan Medical School. His training includes a residency program at a hospital affiliated with the University of Michigan. His distinctions include: Madison Magazine Top Docs; Best Doctors in America; and Newsweek's Top Cancer Doctors.