Dr. Robert Wittig, MD is a highly regarded internist specializing in Sleep Medicine and Internal Medicine, with over 44 years of clinical experience. Based in Laurium, MI, he graduated from the University of Michigan / Ann Arbor in 1979. Dr. Wittig’s expertise encompasses a wide range of medical conditions, addressing issues from chronic illnesses to urgent medical needs, including but not limited to diabetes, hypertension, respiratory infections, and various adrenal disorders....