G Mark Heifner, MD - Ascension Medical Group-Main

St. Vincent Ascension is a faith-based healthcare organization committed to delivering compassionate, personalized care to all, with special attention to those most vulnerable.

Dr. Todd Talbot specializes in the treatment and diagnosis of adult illness and disease, with a special interest in preventive medicine. Dr. Talbot is an advocate for patient education and encourages his patients to be involved in their medical care. Dr. Talbot earned his Medical degree from Kirksville College of Osteopathic Medicine, Kirksville, Mo. He served his residency at Marshfield Clinic/St. Joseph's Hospital in Marshfield, Wisc.

Sara Hartman, APNP, provides personalized primary care to adults and children, including wellness visits and managing acute and chronic conditions. She has a special interest in caring for heart health issues. Sara earned her master of science degree in nursing from the University of Wisconsin Milwaukee and a bachelor's degree in nursing from Marquette University in Milwaukee. She is certified in advanced cardiac life support.