The job of psychiatrists in the US is in large part diagnosis and prescriptions, at least when it comes to the more routine mental health conditions.

If therapy is part of the treatment plan, they're often referred down to a psychologist or therapist for that part of things. A psychiatrist can do therapy....but their hourly rate is a whole lot higher.

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As to personal experience, my current psych (ADHD), requires a ~15min "medication management" session about 4x a year. It's not exactly a ton of oversight.

The couple previous psychiatrists I've had when I lived in other places were about the same way once we got past the initial phase.

It is worth noting that my prescription (+ it's effectiveness) has been generally steady for a long time and I don't exactly have a profile in terms of age/dosage/history that suggests abuse risk.