Please continue to monitor the Coronavirus Waivers & Flexibilities webpage:
https://www.cms.gov/about-cms/emergency-preparedness-response-operations/current-emergencies/coronavirus-waivers
UPDATED APRIL 3, 2020:
Blanket Waivers for Health Care Providers: https://www.cms.gov/files/document/summary-covid-19-emergency-declaration-waivers.pdf