There are other organizations with the same "payvider" model (combining payer and provider). For example, Geisinger and Intermountain. It's slowly getting more popular.

"Unlike the traditional healthcare model, which often pits payers against providers in a bid to control costs, the payvider model merges these roles..."

- https://www.neudesic.com/blog/the-rise-of-the-payvider/