Replying here. GPS weren't too hard to find. I also came across another company but it was only for medical tourists traveling from UK/ROI.
GPS told me the premium is dependent on the procedures/circumstances. Is the $1000 specifically for DJS? Are you getting anything else done?
If I have surgery overseas, I'll definitely be taking out insurance for peace of mind. I'm not one to wing it. Even the best of surgeons have had patients with major complications (stroke etc). The cover isn't that high considering, but it would help cushion financial burden on you or your family if complications were to arise.
But I would also think about where you're travelling to, what extent of aftercare is covered by your surgeons fee, and what healthcare is available to you when you return back home.
I would also check the reciprocal healthcare agreements between your home country and your surgery country. Most will I think EXCLUDE complications from elective surgery, but it's worth checking just incase.