"So you can use Medicare anywhere in the country? "
yes of course you can.
it is administered by the US government, not by individual states or private companies.
I HIGHLY recommend AARP’s Medicare Advantage plans, which are available in every state.
There is strength in numbers.
And one final note- dont let ANYONE you know who is about to turn 65 “forget” Or put off signing up for Medicare B plans.
they DON’T want to make the same mistake as this man did!
"Twenty years ago, George Zeppenfeldt-Cestero left his job as a hospital administrator in New York to open a one-person health care consulting firm.
Since he was losing his employee medical coverage, he shopped around and bought a private health insurance plan through Aetna.
It was expensive, with premiums starting at about $1,000 a month, but “it paid for all my doctors’ visits and my medications,” he said. “I was a satisfied consumer.”
But several years ago, Aetna informed him that it was discontinuing that plan, sending him scrambling for another insurer. That’s when, applying for coverage through the state marketplace under the Affordable Care Act, Mr. Zeppenfeldt-Cestero learned that he (and, he argues, Aetna) had made a serious error.
He SHOULD have signed up for Medicare Part B three years earlier when he turned 65.
By delaying, he had missed the best window — the so-called Initial Enrollment Period — to apply for Part B, which covers much of what we consider health care: doctor visits, tests, injectable drugs (including chemotherapy), ambulances, physical therapy and other non-hospital services. As a result, he has to pay PERMANENTLY higher premiums, and he had to endure an unsettlingly long period — from December to July — before the coverage actually kicked in.
“It was very nerve-racking,” Mr. Zeppenfeldt-Cestero, now 71 and still working. “For six months, I was without any coverage whatsoever.”
Such Part B mistakes appear to happen with some frequency. Last year, nearly 700,000 Medicare beneficiaries were paying Part B penalties, according to the Centers for Medicare and Medicaid Services."
https://www.nytimes.com/2018/10/26/health/medicare-part-b.html