Independent insurance agent since 1985, Clarence "Mark" Christiansen offers customized health plans to Wisconsin residents wi ... th a primary focus on Medicare, including Medicare supplements, Medicare Part C Advantage plans, Medicare Part D Rx prescription drug plans, vision, dental, travel, short term medical plus under 65 ACA Obamacare major medical plans for individuals and families. We also offer small group coverage, life insurance and have a referral service for home, auto, and business liability coverage. We've got you covered. read more