Hello,
v1/v2 of the Blue Button API (currently in production) does not have comprehensive Part C and Part D coverage data. However, we will soon be rolling out v3 of our API which will have additional coverage data, including Part C and D data. You should be able to see the insurance carrier and plan for Medicare enrollees (though you may need to cross reference plan numbers to get human-readable plan/carrier info).
We do not currently support Medigap data in any version of the API, but this has been something we’ve looked into, so it’s possible we could support it in the future.
- Blue Button API Team