You could remove your accounts and move on but that does nothing for their other customers.
Depending on how much time you've given them this sounds like a perfect candidate for the Full Disclosure mailing list, just post anonymously.
Depending on how much time you've given them this sounds like a perfect candidate for the Full Disclosure mailing list, just post anonymously.
Then again, given the information you've given, there's a different route you can probably take. This sounds very much like a HIPAA violation, and the federal government takes those very seriously. Report it here:
http://www.hhs.gov/hipaa/filing-a-complaint/what-to-expect/i...
if they are a health entity that would fall under HIPAA rules.