Whether you have a sudden illness, complex health condition, or just want to become healthier, the Ascension Medical Group Cornerstone St. Clair Internists care team is here for all your healthcare needs. Internal medicine doctors, also known as internists, specialize in treating diseases that commonly affect adults as they get older. We provide personalized care for chronic health conditions like high blood pressure, arthritis, and headaches. Because healthy lifestyle choices are so important for adults, we’ll listen to understand your needs and help you manage your medications, recommend screenings, and become healthier through diet and exercise.