My DS developed an ear infection on our last cruise (Sunday or Monday night I think) and we called the medical area. They had just closed (of course, this is our historic pattern with our kids LOL) but they said "come on down" and we were seen within 3 minutes.
They were THE BEST. We talked about Mickey and Minnie having their check-ups by the same doctor and how DS was one of the few kids to meet their doctor too. DD insisted on coming with us (lol, she thought she might be missing out) and they had great character posters in the room. We got some antibiotics and were out of there quickly. It SAVED our vacation - our DS was 10,000 times better within 24 hours.
The bill was about $160-$180? which included the visit and the antibiotics (liquid Zithromax) - we could have claimed it on our insurance when we got home, but we hadn't reached our deductible and it was near the end of the year so we weren't going to reach it so we didn't file.
P.S. DS got a "Bravery" pin (not a Disney pin, but a round one) with something Disney on it - he wore it proudly