Primum non nocere. First, do no harm.
We all make mistakes. But apparently what we have here is a doctor who knew he made a mistake, did nothing about it and his 74 year old patient died. Here are links to the charges, investigation documents, a letter from Dr. Waldman's attorney and expert statements:
These links do not include medical records, personnel records or documents that are protected by the attorney-client privilege. Please also note that the patient’s name has been redacted.