Everyone is welcome to be seen at Whitehead Wellness Center, which provides chiropractic care throughout the Marion, Illinois, area. You see the doctor, not a medical assistant or nurse, when you choose our licensed and insured practice for your health care. A lifelong resident of Marion, Dr. Mark Whitehead has been serving the Southern Illinois community for more than 20 years. He is a board-certified and licensed doctor of chiropractic. We are currently accepting new patients.