You can use this document to figure out who your Medicare Administrative Assistant Coordinator (MAC) is for your state. https://www.cms.gov/Medicare/Medicare-Contracting/Medicare-Administrative-Contractors/Downloads/MACs-by-State-June-2019.pdf
How do I access the Recorded Q&A sessions?
If you have access to the Recorded Q&A sessions. You can access the recordings by going under the my profile section and clicking on the