Medicare Supplements (Medigaps): Rate Histories

Click on a Medicare supplement plan (letter of the alphabet) to see its three-year history of rate increases.

2010 plans (sold beginning June 1, 2010)

These plans have standardized benefits so Plan A sold by one company has the same benefits as Plan A sold by another.

A B C D F F* G K L M N * High deductible

1990 plans (sold from July 1, 1992, through May 31, 2010)

These plans also have standardized benefits.

A B C D E F F* G H I J* K L * High deductible


  • These rate increases are averages; your particular increase could be different. If your company increases rates with age, you may have a separate rate increase when you enter a new age category.
  • If you see a company that has more than one rate increase in a year, it is likely that it took over another company's business.
  • The Oregon Insurance Division does not regulate Medicare Advantage plans or rates. To learn more:


  • If you have questions about your particular rate increase, call your insurance company.
  • If you have questions about how Medicare works or your insurance choices, call the Senior Health Insurance Benefits Assistance (SHIBA) program: 800-722-4134 (toll-free). SHIBA also publishes an annual guide of Medicare insurance plans sold in Oregon. You can find this on the SHIBA website.​​