 But the Part C OOP limit does not apply to a Part C plan's Part-D-like self-administered drug coverage (which uses another less beneficial means of addressing catastrophic costs just as with all of Part D).Medicare beneficiaries will also have more plan choices in 2020, with about 1,200 more Medicare Advantage plans operating than in 2018.Public Part C health plans, including Medicare Advantage plans, not only cover the same medical services as "Original Medicare" Parts A and B but also typically include an annual physical exam and vision and/or dental coverage of some sort, none of which are covered under Medicare Parts A and B.