Many people are searching on internet using phrases like :
compare healthcare plans, compare healthcare systems, compare healthcare insurance, etc
This domain thus have great potential either for regulatory gov. agencies which are dealing with insurance providers, or it can be used for comparing healthcare systems, plans, etc, in different countries, lets say, there are so many different uses.
It is difficult at this stage to give any valuation, as if large global insurance corporation will see that they can utilize the domain, they can pay significantly more then local insurance company which can utilize domain for some local marketing purposes. If there is no premium renewal, I would hold it for few years and not sell it under USD 20 000..if you want to flip it quickly in year or two, best way imo is to directly contact potential end-users or hire good broker..still I would not let it go for anything under USD 10k, as it is great combination, and healthcare/insurance companies are usually big and rich.