The greatest inconsistencies I’ve seen (I’ve never been hospitalized or had surgery, aside from wisdom teeth) are in prescription coverage.
Example: This new acne cream I was prescribed, not covered at all - and I have “cadillac” insurance. A somewhat new thing is a “discount card”. This discount card, given to me by my dermatologist, says my max out of pocket is $25 for 4 times. I’m not going to get it, since after 4 times it will likely won’t be covered and the out of pocket would be retail, some $150. Which is absurd, because the product is basically a new combination of two very old drugs. I’ll enjoy the samples while they last.
A lot of prescriptions are on super cheap generic programs, 3 months for $10. My big issue is that the states regulate them - for example, you can get various types of generic birth control in Ohio, with the 3 months $10 amount (or $4/month). In PA, they’re restricted.
But back to your original question:
$5 copay for annual GP visit.
$15 if I’m sick or it’s a “I need bloodwork” visit.
$15 for any specialist, and I can just look someone up and make an appointment.
$35 for the ER - that’s a visit, more depending on what’s done.
I will say I absolutely loathe the wait times for certain physicians. It would drive me batty waiting 6 weeks, like I’ve heard some Canadian friends wait. As it is, I see a Physician’s Assistant in the dermatology practice instead one of the two dermatologists, because I can call a week ahead of time to get an appointment, instead of 3.
ETA: When I went to a orthopedic surgeon about my knee (patellar tendinitis), they automatically took x-rays (I had no out of pocket for them). This pissed me off to no end, and I voiced my disapproval - I wasn’t limping or on crutches, there was nothing to indicate I needed x-rays. It’s one thing to do an initial check and observe my mobility and pain, and then decide on x-rays, but it’s a totally different one to pass everyone whose insurance covers it into the x-ray room. It’s like they take advantage of people who have excellent insurance, under the guise of “you could have a tumor”. Thanks buddy, but I have four doctors in my immediate family, don’t pull a fast one on me.