I think you inverted the causation, the provider doesn't nudge but their culture is more oriented being healthy which in turn makes providers provide the services for that. The people of the USA are generally centre right and they say that they support universal health care but the minute anyone proposes solutions to implement them, the support inverses. The same happened with ACA, it did raise costs for some people but that was enough for democrats to get brutalised for that in midterms. The solution is to implement more free Market oriented Health care like singapore etc and let people choose their options.. it would suit Americans as it isn't that burdensome compared to universal health care without private options.