The graphic above shows the overall picture. (Source: Institute for InterGroup Understanding)
Here is one example:
The Medicare Advantage plans know that 90 percent of the amputations are caused by foot ulcers and that you can reduce foot ulcers by over 40 percent with clean socks and dry feet. Medicare Advantage plans have staff working on dry feet and clean socks, [while] the fee-for-service providers who make more than $100,000 for each amputation in their fees actually had an increase in cases during covid because it’s so profitable.
The [MA] special-needs plans had almost no amputations.