a) You haven't been to a hospital recently. I randomly googled lists of doctors' names: http://www.healthgrades.com/ho... It is hard for foreign doctors to get accredited though, often they will have to take courses for US-specific stuff.
b) Many people don't like life-event specialists that aren't 'similar' to themselves. Therefore, a lot of doctors etc. will remain natives. IT professionals are considered to be the plumbers of electronics, not the doctors.
You're right though, this is very short term thinking. Even though it may save them some money short term, it will pack out to be way more expensive once anything actually needs to be done but by then the cost-cutters will be long gone or they may actually be called in again to 'fix' it.