Denis 🌏I personally* have been very happy and impressed with Kaiser Permanente so far (honestly, they're an order of magnitude better than any HMO in Massachusetts)
but...
...major fail in scheduling w/ gastro. Can only do via phone, not online, hold times are utterly ridiculous and when I left a message to get a call back, never did.
(* yes I'm sure many people have issues with KP. Don't @ me)