I want to send a letter to a law firm (Workman's comp) terminating there medical release to my medical records. I am not sure how to do it? They violated the HIPPA act. I have already filed a complaint and sent them a letter telling them so but no response.

If you properly filed a HIPAA complaint you will not hear from the law firm. How To File a Complaint (http://www.hhs.gov/ocr/privacy/hipaa/complaints/index.html) You can ask HHS for a status report. All your letter to the law firm has to say is you revoke your permissin for them to share any of your information. It should be sent by certified return receipt mail. What did they do to violate HIPAA?

Sent me someone else Medical records.

They have my medical records and I have requested a log or a communication of where they have gone but no response. I want to get all of my records back and revoke permission of medical records in the future.

Accidental disclosure is most frequently not considered a violation by HHS.

How can that be when I have an actual doctors report? How do I know they didn't send mine somewhere? I looked on there website and HHS says it is?

HIPAA (not HIPPA) protects a patient from having their medical info and diagnosis given to an unauthorized third party. While it is a violation to accidentally give info to the wrong person, what is likely to happen is HIPAA investigates, the provider shows it was a mistake and they have shored up their procedures to prevent a recurrence. . They may get a slap on the wrist or a small fine.

Now here's the thing. You say this is a law firm. So what is their involvement? Do they represent your company, or you or what? They may need your records to process the case.