Now’s the time for Medicare-eligible Iowans and South Dakotans to think about their health care coverage options for 2025. From Oct. 15 through Dec. 7, those 65 and older enrolled in Medicare Part A and Medicare Part B are eligible to enroll in a Medicare Advantage plan, also known as Medicare Part C. Wellmark Advantage Health Plans is dedicated to making health care better for all Iowans and South Dakotans by offering affordable coverage and enhanced benefits, supported by a broad network of health care providers.