CORS Error When Accessing NPPES NPI Registry?

Having access to medical information is more important than ever. So it’s a great thing that the NPI Registry Public Search provides a free directory of all active National Provider Identifier (NPI) records. However, if you are trying to develop an application that relies on the NPPES NPI Registry, you have likely run into every web API consumer’s worst nightmare: CORS:

Without going into too much detail about CORS problems, here’s a quick overview: Browsers don’t like it when one server requests a resource from another server. If you are building a…