I'm currently working on my first and only HIPAA medical debt that has been PIF since 2007. I have disputed this with the CRA's and sent GW after GW and this company won't budge. I sent the first HIPAA letter off a few weeks ago and the CA sent me a real generic letter and didn't include any of the info. I demanded they provide as they are required by law. At this point I decided (today) to go ahead and file a complaint with the BBB and see if that gets me anywhere. I'll wait and see what happens after that to see if I should continue with the res of the HIPAA process or not.

Good luck to you, I like reading about those that have had success with the HIPAA method.