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But I had previously read that there are concerns with trading in Medicare.
"So Medicare Advantage plans may appear cheaper than standard Medicare combined with Part D and a supplemental Medigap policy — though with co-pays, deductibles and drug formularies, they may not be.
“The key trade-off is that they generally operate with a restricted network of providers,” Dr. Neuman said. Most involve health maintenance or preferred provider organizations."
Medicare Advantage Is About to Change. Here’s What You Should Know. - The New York Times
https://www.nytimes.com/2018/07/20/health/medicare-advantage-benefits.htmlThe gov has greased the rails to encourage you to go MA, the switch is easy. But I've read that going back to traditional Medicare from an MA is very, very hard.