Yes, no matter who the carrier is, or even the plan letter., Medigap plans will have annual rate increases in most cases. Over the past five years, the rate increase has been roughly 7% to 9% for Plan F. Keep in mind that other factors contribute to rate increases.Inflation will always impact increases. Other factors that can impact rate increases are age and the claims history of people living in your area and on the same plan. You cannot be singled out based on your personal claim history.