Physicians, patients and others looking for information online usually have little patience for websites that aren’t logical to them. If they can’t see how your website is structured (to find the information they want) within seconds, the chances are they will navigate away and never come back.
More than in any business area, regulatory restrictions and country specific legislation have an immense impact on this work. For example, content related to prescriptive drugs needs to be handled very carefully and the degree to which it can be implemented online is different for each country.
Let us know what you are trying to communicate online and we will be happy to provide our input.