There are 10 different Medicare Supplement plans available in most states of the United States. Each plan is designed to offers specific coverage for particular health-care costs. For example, Medigap Plan A will have the same benefits regardless of which state you live in or which insurance company you buy plans from. In case, you are living in Massachusetts, Minnesota or Wisconsin, the Medigap plans in these states are standardized differently than other states.
Medicare plans for most states are Plan, A,B,C,D,F,G,K,L,M,and N. Almost all plans cover benefits of Medicare Part A coinsurance and hospital costs up to an additional 365 days after Medicare benefits are exhausted. Plan F is available in high deductible version as well. Using a high deductible plan F, beneficiary can pay for all Medicare-covered costs until you reach the deductible of $2,249 in 2018 before your Medigap plan pays anything.
Find out rates here https://www.medisupps.com/medicare-supplement-plans-2020/
Plan N pays 100% of the Medicare Plan B coinsurance. But, it also has some exceptions- Certain office visits may require a copayment of up to $20, and emergency room visits that do not result in your being admitted as an inpatient may need a copayment of up to $50. Once you reach the annual out-of-pocket spending limit and your Medicare Part B deductible, your Medigap plan pays 100% of Medicare-covered costs for the remainder of the calendar year.
Before buying any Medigap plan, you need to find a Medigap or other Medicare Supplement plans that fit your needs. You should search for private companies offering such plans, and should read about them. You need to understand that what kinds of health-care costs coverage they offer, and whether they meet your requirement well or not. All Medicare Supplement Plans- A to N are meant to supplement your Original Medicare plans. You simply need to understand what benefits they offer, and invest wisely.