CMS Answers Questions on 3-Day Payment Window Impact on Physician Offices By Debra A. McCurdy on July 19, 2012 CMS has posted 43 new FAQs on “Bundling of Payments for Services Provided to Outpatients Who Later Are Admitted as Inpatient: 3-Day payment Window and the Impacts on Wholly Owned or Wholly Operated Physician Offices.”