That's not at all unusual in the US. My dad saw a neurologist for chronic severe headaches. It was very common for us to go to an appointment, have the doctor

That's not at all unusual in the US. My dad saw a neurologist for chronic severe headaches. It was very common for us to go to an appointment, have the doctor request a follow up appointment in 3 months, then be told during checkout that the earliest available time was in 5-6 months.