Medicare Supplemental Plan Gis the most famous Medicare plan. Medicare Supplement G is an affordable Medicare Plan providing the most coverage for a low deductible. These covered costs would usually be paid out of pocket by the beneficiary. At Medicare Nationwide, we can help if you want more information about Plan G. We have prepared a detailed review of Plan G. We are a medical insurance agency focusing on one-to-one connections to ensure seniors select the right Plan for them. To explore more, call us at 1-888-559-0103 or visit our website.