Dr. Mark Korthals specializes in optometry in Maple Grove area. Dr. Mark Korthals, OD has a medical practice at 13195 Weaver Lake Road, Maple Grove MN, and has over 13 years of experience in the field of medicine. He graduated from Illinois College Of Optometry At Chicago with his medical degree in 2004. Dr. Korthals is accepting new patients at his medical office and practice location in Maple Grove, Minnesota. He is available for appointments, preventative care, medical care as well as ongoing patient care.