Except that the primary focus of pain management services seems to be overwhelmingly about reducing opiate intake, rather than helping the patient deal with pain.
Maybe there are no good choices for some long term pain.
I don't know where you are, but in England most pain control clinics are mostly about helping the patient deal with pain, and using appropriate medication to do so.
Here's the English guidance for managing pain in non-specialist settings, so this is what people should be getting from a regular doctor. (For neuropathic pain).