If you need to run a Mac in some kind of server role in a secure DC that has a list of certifications, this AWS product may be for you. You are also very niche.
Note that you cannot use these macs "servers" to actually serve stuff. Its just for CI, development. That is in the ToS
MacStadium claims their Atlanta and Las Vegas data centers are HIPAA compliant. Not sure about a BAA, you’d probably have to ask them.