Modification of the CWF Provider Queries

The Centers for Medicare & Medicaid Services (CMS) issued Change Request 10098 to inform Trading Partners (providers, clearinghouses, and third party vendors), that effective January 1, 2018 the Common Working File(CWF) Provider Queries will be modified to only accept the National Provider Identification (NPI) as valid Provider Number. Trading Partners verify an individual’s Medicare eligibility…