subject: Medicare Supplement Plans - Easily Explained [print this page] Medicare Supplement Plans are very beneficial for seniors who want to limit their out of pocket expenses and receive excellent health care. While Medicare Supplement Plan F is the most popular, Plans G, N, and C should also be considered when purchasing a plan. Consulting an insurance broker who carries every company and offers every plan is the best method to obtain quotes, get information regarding upcoming changes, and insight into company specific issues.