The government made HIPAA, the government can take HIPAA away.
And the government is perfectly capable of ignoring HIPAA when it wants to. HIPAA was originally supposed to be implemented within a couple of years after 1996. That got pushed back and pushed back largely because HHS could not compliantly process claims for Medicare. Understand that really means that most of the Blue Cross Blue Shield organizations could not compliantly process claims since they do most of the Medicare claims processing and remittance.
What is amazing about that is that the Blues were one of the groups leading the charge to bring HIPAA into being anyway. AND they, no doubt, would be the group who would receive the biggest benefit from a single payer system because they are so embedded in the Medicare/Medicaid world.