Brief Answer:
The Neurosurgeon would be the desired specialty...

Detailed Answer:
Hello and Welcome to 'Ask A Doctor' service...
I've gone through your query in details...
I can understand your concerns...

Well, Lumbar Spinal Stenosis or similar diseases are typically managed by Neurosurgeons or the Spine-surgeons (the first choice would be the Neurosurgeon).

Yes, this seems like an ongoing condition for a while in your case, so please go ahead and book the appointment with the Neurosurgeon and proceed accordingly...

Hope this answers your query.
Let me know if I can assist you further...

Take Care
Kind Regards

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