My question involves defamation in the state of: Oregon

After a family dispute, a relative "anonomously" told the family doctor some lies about me, which incited a letter from my Dr. informing me that I would not be receiving any further medical prescriptions from their office.

1) Am I entitled to get a copy of my medical record for proof of slander that affects my medical record?
2) Is the Dr. Office obligated to inform me (confirm) of the identity of the "anonymous" source of whatever information they received?
3) Am I entitled to know what information has been alleged against me?
4) Do I have a legal action against the Dr. Office for handling hearsay as fact and (likely) making note in my permanant medical record w/o verification?
5) Do I have legal action against the relative (or source) for slander?


Who is the most notorious attorney in the Portland, Oregon area for mercilessly handling cases like this?

Thank you,