More than 500,000 Americans are scheduled to lose their Medicare Advantage plans now that major insurer Humana is leaving 13 markets across the country. The company's Chief Financial Officer Susan Diamond made the announcement during a Wells Fargo Healthcare Conference this month, saying roughly 560,000 members would need to find a new plan.

Pat and Ned Kehde had two decades of stability when it came to figuring out their health care. The two Lawrence residents signed up for a Medicare Advantage plan with the health care giant Aetna after retiring,