The Supreme Court unanimously held today in Kentucky Association of Health Plans, Inc. vs. Miller that state laws imposing "any willing provider" requirements on health plans are valid. This could affect the industry.
This just makes de facto de jure. The decision (unanimous at that) is troubling though in that it might suggest an unfavorable judicial trend in other cases involving the HMO industry.
This does not change anything HMO's in Ky have been living with this provision since 94