His plan does not look like Medicare at all. It appears that he hardly knows anything about Medicare. He probably has no experience with it. Despite his advanced age, he does not need to depend on it. Members of Congress are allowed to receive Medicare benefits, but unlike most other Americans, they can receive other benefits in addition.
Sitting members of Congress can get routine examinations and consultations from the attending physician in the U.S. Capitol for an annual fee. And military treatment facilities in the Washington area offer free emergency medical and dental care for outpatient services.
Members are also eligible for the Federal Employees Health Insurance Program, and they won't be kicked off as soon as they reach Medicare age. They do have to go through an ObamaCare exchange, but it is a small one, the DC Health Link, which reportedly functions well. There are 57 gold-tier plans to choose from, not one or two as in many states. Their portion of the premiums could be as little as 25 percent of the total premiums. Apparently, subsidies for senators don't run out just because their salary exceeds 400 percent of the federal poverty level.