There's a lot of stuff in the software that you can't see from the UI. For example, if the app is going to deal with patient information, it has to be HIPAA com

There's a lot of stuff in the software that you can't see from the UI. For example, if the app is going to deal with patient information, it has to be HIPAA compliant and possibly conform to state laws governing healthcare providers. It may also need to interface with systems from dozens of insurers. I think that the odds of someone unfamiliar with the industry creating a usable application (let alone one that's better than the widely used one) are very small. The best bet might be to find a co-founder who has had significant experience in this industry.