Medicare Influenza Vaccine Payment Allowances, 2013-2014 October 8, 2013 Medicaid, Medicare CMS, Influenza Virus Vaccine 0 The Centers for Medicare & Medicaid Services (CMS) has released the annual allowance for influenza virus vaccines. The new payment rates are effective for dates of service August 1, 2013, to July 31, 2014. The change affects physicians and providers submitting claims to Medicare contractors (carriers, Fiscal Intermediaries (FIs), and Part A/B Medicare Administrative Contractors (A/B MACs)) for influenza vaccines provided to Medicare beneficiaries. Click here to view the CMS Announcement CR 8433. Comments are closed.