The Health Insurance Portability and Accountability Act of 1996 (HIPAA) was established by the United States Congress to simplify and improve the administration of healthcare services. Of special importance to healthcare app developers is the section on preventing healthcare fraud and abuse. Governments take the security of citizens' health data and medical records very seriously and levy heavy fines when HIPAA rules are violated. Which is why it's essential that developers take extra care to make sure their healthcare apps are HIPAA compliant.
Have a look at the video that describes the steps in detail.